222931089 has 16 divisors (see below), whose sum is σ = 330503040. Its totient is φ = 148515120.

The previous prime is 222931061. The next prime is 222931099. The reversal of 222931089 is 980139222.

It is not a de Polignac number, because 222931089 - 2¹² = 222926993 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (222931099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61444 + ... + 64970.

It is an arithmetic number, because the mean of its divisors is an integer number (20656440).

Almost surely, 2^222931089 is an apocalyptic number.

It is an amenable number.

222931089 is a deficient number, since it is larger than the sum of its proper divisors (107571951).

222931089 is a wasteful number, since it uses less digits than its factorization.

222931089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 222931089 is about 14930.8770338517. The cubic root of 222931089 is about 606.3502288816.

The spelling of 222931089 in words is "two hundred twenty-two million, nine hundred thirty-one thousand, eighty-nine".