22012400054155 has 32 divisors (see below), whose sum is σ = 30483665731584. Its totient is φ = 14946622073856.

The previous prime is 22012400054123. The next prime is 22012400054213. The reversal of 22012400054155 is 55145000421022.

It is a cyclic number.

It is not a de Polignac number, because 22012400054155 - 2⁵ = 22012400054123 is a prime.

It is a super-2 number, since 2×22012400054155² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52977622 + ... + 53391508.

It is an arithmetic number, because the mean of its divisors is an integer number (952614554112).

Almost surely, 2^{22012400054155} is an apocalyptic number.

22012400054155 is a deficient number, since it is larger than the sum of its proper divisors (8471265677429).

22012400054155 is a wasteful number, since it uses less digits than its factorization.

22012400054155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428755.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 22012400054155 its reverse (55145000421022), we get a palindrome (77157400475177).

The spelling of 22012400054155 in words is "twenty-two trillion, twelve billion, four hundred million, fifty-four thousand, one hundred fifty-five".