22055502004331 has 16 divisors (see below), whose sum is σ = 23749885373760. Its totient is φ = 20408064307200.

The previous prime is 22055502004219. The next prime is 22055502004337. The reversal of 22055502004331 is 13340020555022.

It is a cyclic number.

It is not a de Polignac number, because 22055502004331 - 2¹⁴ = 22055501987947 is a prime.

It is a super-2 number, since 2×22055502004331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22055502004337) 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, 44039336 + ... + 44537333.

It is an arithmetic number, because the mean of its divisors is an integer number (1484367835860).

Almost surely, 2^{22055502004331} is an apocalyptic number.

22055502004331 is a deficient number, since it is larger than the sum of its proper divisors (1694383369429).

22055502004331 is a wasteful number, since it uses less digits than its factorization.

22055502004331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88576934.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 22055502004331 its reverse (13340020555022), we get a palindrome (35395522559353).

The spelling of 22055502004331 in words is "twenty-two trillion, fifty-five billion, five hundred two million, four thousand, three hundred thirty-one".