222408916 has 12 divisors (see below), whose sum is σ = 392853888. Its totient is φ = 110164952.

The previous prime is 222408899. The next prime is 222408959. The reversal of 222408916 is 619804222.

It is a congruent number.

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, 259396 + ... + 260251.

It is an arithmetic number, because the mean of its divisors is an integer number (32737824).

Almost surely, 2^222408916 is an apocalyptic number.

It is an amenable number.

222408916 is a deficient number, since it is larger than the sum of its proper divisors (170444972).

222408916 is a wasteful number, since it uses less digits than its factorization.

222408916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519758 (or 519756 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 222408916 is about 14913.3804350322. The cubic root of 222408916 is about 605.8764393524.

The spelling of 222408916 in words is "two hundred twenty-two million, four hundred eight thousand, nine hundred sixteen".