22120346165355 has 48 divisors (see below), whose sum is σ = 40487248732320. Its totient is φ = 11141338420224.

The previous prime is 22120346165293. The next prime is 22120346165363. The reversal of 22120346165355 is 55356164302122.

22120346165355 is a `hidden beast` number, since 2 + 2 + 1 + 20 + 3 + 4 + 616 + 5 + 3 + 5 + 5 = 666.

It is not a de Polignac number, because 22120346165355 - 2³⁰ = 22119272423531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22120346165355.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40536142 + ... + 41078211.

It is an arithmetic number, because the mean of its divisors is an integer number (843484348590).

Almost surely, 2^{22120346165355} is an apocalyptic number.

22120346165355 is a deficient number, since it is larger than the sum of its proper divisors (18366902566965).

22120346165355 is a wasteful number, since it uses less digits than its factorization.

22120346165355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81614700 (or 81614697 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 22120346165355 in words is "twenty-two trillion, one hundred twenty billion, three hundred forty-six million, one hundred sixty-five thousand, three hundred fifty-five".