222656142634 has 32 divisors (see below), whose sum is σ = 350700710400. Its totient is φ = 105880753920.

The previous prime is 222656142623. The next prime is 222656142661. The reversal of 222656142634 is 436241656222.

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, 18053382 + ... + 18065710.

It is an arithmetic number, because the mean of its divisors is an integer number (10959397200).

Almost surely, 2^222656142634 is an apocalyptic number.

222656142634 is a deficient number, since it is larger than the sum of its proper divisors (128044567766).

222656142634 is a wasteful number, since it uses less digits than its factorization.

222656142634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17358.

The product of its digits is 829440, while the sum is 43.

Adding to 222656142634 its reverse (436241656222), we get a palindrome (658897798856).

The spelling of 222656142634 in words is "two hundred twenty-two billion, six hundred fifty-six million, one hundred forty-two thousand, six hundred thirty-four".