222404144 has 40 divisors (see below), whose sum is σ = 438638592. Its totient is φ = 109224000.

The previous prime is 222404111. The next prime is 222404173. The reversal of 222404144 is 441404222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295769 + ... + 296519.

Almost surely, 2^222404144 is an apocalyptic number.

It is an amenable number.

222404144 is a deficient number, since it is larger than the sum of its proper divisors (216234448).

222404144 is a wasteful number, since it uses less digits than its factorization.

222404144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 222404144 is about 14913.2204436198. The cubic root of 222404144 is about 605.8721060983.

Adding to 222404144 its reverse (441404222), we get a palindrome (663808366).

The spelling of 222404144 in words is "two hundred twenty-two million, four hundred four thousand, one hundred forty-four".