222163616 has 24 divisors (see below), whose sum is σ = 463114260. Its totient is φ = 104547328.

The previous prime is 222163609. The next prime is 222163657. The reversal of 222163616 is 616361222.

It can be written as a sum of positive squares in 2 ways, for example, as 213043216 + 9120400 = 14596^2 + 3020^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203651 + ... + 204738.

Almost surely, 2^222163616 is an apocalyptic number.

It is an amenable number.

222163616 is an abundant number, since it is smaller than the sum of its proper divisors (240950644).

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

222163616 is a wasteful number, since it uses less digits than its factorization.

222163616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408416 (or 408408 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 222163616 is about 14905.1540079263. The cubic root of 222163616 is about 605.6536123091.

The spelling of 222163616 in words is "two hundred twenty-two million, one hundred sixty-three thousand, six hundred sixteen".