222252770418 has 16 divisors (see below), whose sum is σ = 508006332480. Its totient is φ = 63500791536.

The previous prime is 222252770401. The next prime is 222252770419. The reversal of 222252770418 is 814077252222.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5291732629 = 222252770418 / (2 + 2 + 2 + 2 + 5 + 2 + 7 + 7 + 0 + 4 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 222252770418.

It is not an unprimeable number, because it can be changed into a prime (222252770419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645866273 + ... + 2645866356.

It is an arithmetic number, because the mean of its divisors is an integer number (31750395780).

Almost surely, 2^222252770418 is an apocalyptic number.

222252770418 is an abundant number, since it is smaller than the sum of its proper divisors (285753562062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222252770418 is a wasteful number, since it uses less digits than its factorization.

222252770418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291732641.

The product of its (nonzero) digits is 250880, while the sum is 42.

The spelling of 222252770418 in words is "two hundred twenty-two billion, two hundred fifty-two million, seven hundred seventy thousand, four hundred eighteen".