22556014520431 has 16 divisors (see below), whose sum is σ = 26911123121664. Its totient is φ = 18484862688864.

The previous prime is 22556014520419. The next prime is 22556014520467. The reversal of 22556014520431 is 13402541065522.

It is a cyclic number.

It is not a de Polignac number, because 22556014520431 - 2⁵ = 22556014520399 is a prime.

It is a super-2 number, since 2×22556014520431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556014520131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30953985 + ... + 31674298.

It is an arithmetic number, because the mean of its divisors is an integer number (1681945195104).

Almost surely, 2^{22556014520431} is an apocalyptic number.

22556014520431 is a deficient number, since it is larger than the sum of its proper divisors (4355108601233).

22556014520431 is a wasteful number, since it uses less digits than its factorization.

22556014520431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62630550.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 22556014520431 its reverse (13402541065522), we get a palindrome (35958555585953).

The spelling of 22556014520431 in words is "twenty-two trillion, five hundred fifty-six billion, fourteen million, five hundred twenty thousand, four hundred thirty-one".