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2420401222 = 21963694769
BaseRepresentation
bin1001000001000100…
…0110010001000110
320020200102010021201
42100101012101012
514424110314342
61040101333114
7113660033221
oct22021062106
96220363251
102420401222
111032287298
1257670719a
132c75ac895
1418d6505b8
15e2755db7
hex90446446

2420401222 has 8 divisors (see below), whose sum is σ = 3821686200. Its totient is φ = 1146505824.

The previous prime is 2420401189. The next prime is 2420401259. The reversal of 2420401222 is 2221040242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2420401222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31847347 + ... + 31847422.

It is an arithmetic number, because the mean of its divisors is an integer number (477710775).

Almost surely, 22420401222 is an apocalyptic number.

2420401222 is a deficient number, since it is larger than the sum of its proper divisors (1401284978).

2420401222 is a wasteful number, since it uses less digits than its factorization.

2420401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63694790.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2420401222 is about 49197.5733344644. The cubic root of 2420401222 is about 1342.6488818560.

Adding to 2420401222 its reverse (2221040242), we get a palindrome (4641441464).

The spelling of 2420401222 in words is "two billion, four hundred twenty million, four hundred one thousand, two hundred twenty-two".

Divisors: 1 2 19 38 63694769 127389538 1210200611 2420401222