22155617004351 has 16 divisors (see below), whose sum is σ = 30495751231488. Its totient is φ = 14293009519200.

The previous prime is 22155617004277. The next prime is 22155617004377. The reversal of 22155617004351 is 15340071655122.

It is not a de Polignac number, because 22155617004351 - 2¹¹ = 22155617002303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155617004151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6379956 + ... + 9220361.

It is an arithmetic number, because the mean of its divisors is an integer number (1905984451968).

Almost surely, 2^{22155617004351} is an apocalyptic number.

22155617004351 is a deficient number, since it is larger than the sum of its proper divisors (8340134227137).

22155617004351 is a wasteful number, since it uses less digits than its factorization.

22155617004351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15615622.

The product of its (nonzero) digits is 252000, while the sum is 42.

Adding to 22155617004351 its reverse (15340071655122), we get a palindrome (37495688659473).

The spelling of 22155617004351 in words is "twenty-two trillion, one hundred fifty-five billion, six hundred seventeen million, four thousand, three hundred fifty-one".