222496616 has 8 divisors (see below), whose sum is σ = 417181170. Its totient is φ = 111248304.

The previous prime is 222496609. The next prime is 222496619. The reversal of 222496616 is 616694222.

It can be written as a sum of positive squares in only one way, i.e., 126652516 + 95844100 = 11254^2 + 9790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 222496616.

It is not an unprimeable number, because it can be changed into a prime (222496619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13906031 + ... + 13906046.

Almost surely, 2^222496616 is an apocalyptic number.

It is an amenable number.

222496616 is a deficient number, since it is larger than the sum of its proper divisors (194684554).

222496616 is a wasteful number, since it uses less digits than its factorization.

222496616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27812083 (or 27812079 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 222496616 is about 14916.3204578073. The cubic root of 222496616 is about 605.9560650289.

The spelling of 222496616 in words is "two hundred twenty-two million, four hundred ninety-six thousand, six hundred sixteen".