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2423222021220 = 223571113372574243
BaseRepresentation
bin100011010000110011010…
…010011010110001100100
322120122202111202010101220
4203100303102122301210
5304200224314134340
65053113545420340
7340033462220610
oct43206322326144
98518674663356
102423222021220
11854756726460
1233177819a6b0
1314767cc59270
14853dac16340
154307843eed0
hex2343349ac64

2423222021220 has 768 divisors, whose sum is σ = 9394793275392. Its totient is φ = 450366013440.

The previous prime is 2423222021177. The next prime is 2423222021221. The reversal of 2423222021220 is 221202223242.

It is not an unprimeable number, because it can be changed into a prime (2423222021221) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 571108419 + ... + 571112661.

It is an arithmetic number, because the mean of its divisors is an integer number (12232803744).

Almost surely, 22423222021220 is an apocalyptic number.

2423222021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2423222021220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4697396637696).

2423222021220 is an abundant number, since it is smaller than the sum of its proper divisors (6971571254172).

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

2423222021220 is a wasteful number, since it uses less digits than its factorization.

2423222021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580 (or 4578 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 2423222021220 its reverse (221202223242), we get a palindrome (2644424244462).

The spelling of 2423222021220 in words is "two trillion, four hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty".