222015525142145 has 16 divisors (see below), whose sum is σ = 311904737762688. Its totient is φ = 148526065599360.

The previous prime is 222015525142043. The next prime is 222015525142157. The reversal of 222015525142145 is 541241525510222.

It is not a de Polignac number, because 222015525142145 - 2²⁰ = 222015524093569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77357324399 + ... + 77357327268.

It is an arithmetic number, because the mean of its divisors is an integer number (19494046110168).

Almost surely, 2^{222015525142145} is an apocalyptic number.

It is an amenable number.

222015525142145 is a deficient number, since it is larger than the sum of its proper divisors (89889212620543).

222015525142145 is a wasteful number, since it uses less digits than its factorization.

222015525142145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154714651720.

The product of its (nonzero) digits is 320000, while the sum is 41.

The spelling of 222015525142145 in words is "two hundred twenty-two trillion, fifteen billion, five hundred twenty-five million, one hundred forty-two thousand, one hundred forty-five".