222431402106 has 32 divisors (see below), whose sum is σ = 496051084800. Its totient is φ = 73879938720.

The previous prime is 222431402087. The next prime is 222431402147. The reversal of 222431402106 is 601204134222.

222431402106 is a `hidden beast` number, since 2 + 2 + 243 + 1 + 402 + 10 + 6 = 666.

It is a super-2 number, since 2×222431402106² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 222431402106.

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, 7314186 + ... + 7344533.

It is an arithmetic number, because the mean of its divisors is an integer number (15501596400).

Almost surely, 2^222431402106 is an apocalyptic number.

222431402106 is an abundant number, since it is smaller than the sum of its proper divisors (273619682694).

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

222431402106 is a wasteful number, since it uses less digits than its factorization.

222431402106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14659011 (or 14659005 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 222431402106 its reverse (601204134222), we get a palindrome (823635536328).

The spelling of 222431402106 in words is "two hundred twenty-two billion, four hundred thirty-one million, four hundred two thousand, one hundred six".