22122661540155 has 96 divisors (see below), whose sum is σ = 39215003107392. Its totient is φ = 10641221775360.

The previous prime is 22122661540153. The next prime is 22122661540207. The reversal of 22122661540155 is 55104516622122.

It is not a de Polignac number, because 22122661540155 - 2¹ = 22122661540153 is a prime.

It is a super-4 number, since 4×22122661540155⁴ (a number of 54 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (22122661540153) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 411994489 + ... + 412048181.

It is an arithmetic number, because the mean of its divisors is an integer number (408489615702).

Almost surely, 2^{22122661540155} is an apocalyptic number.

22122661540155 is a deficient number, since it is larger than the sum of its proper divisors (17092341567237).

22122661540155 is a wasteful number, since it uses less digits than its factorization.

22122661540155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55517 (or 55506 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 22122661540155 in words is "twenty-two trillion, one hundred twenty-two billion, six hundred sixty-one million, five hundred forty thousand, one hundred fifty-five".