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2242101031220 = 225472385213863
BaseRepresentation
bin100000101000000111101…
…000101011000100110100
321221100020212122111222002
4200220013220223010310
5243213310330444340
64434001302154432
7320662232213231
oct40500750530464
97840225574862
102242101031220
11794962642966
1230264b122a18
13133576cc512b
147a7381b6788
153d4c7606715
hex20a07a2b134

2242101031220 has 24 divisors (see below), whose sum is σ = 4808591149824. Its totient is φ = 877758701216.

The previous prime is 2242101031153. The next prime is 2242101031223. The reversal of 2242101031220 is 221301012422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2242101031192 and 2242101031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242101031223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192605992 + ... + 1192607871.

It is an arithmetic number, because the mean of its divisors is an integer number (200357964576).

Almost surely, 22242101031220 is an apocalyptic number.

2242101031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242101031220 is an abundant number, since it is smaller than the sum of its proper divisors (2566490118604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2242101031220 is a wasteful number, since it uses less digits than its factorization.

2242101031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385213919 (or 2385213917 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2242101031220 its reverse (221301012422), we get a palindrome (2463402043642).

The spelling of 2242101031220 in words is "two trillion, two hundred forty-two billion, one hundred one million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2385213863 4770427726 9540855452 11926069315 23852138630 47704277260 112105051561 224210103122 448420206244 560525257805 1121050515610 2242101031220