222404132 has 36 divisors (see below), whose sum is σ = 426911940. Its totient is φ = 101025792.

The previous prime is 222404111. The next prime is 222404173. The reversal of 222404132 is 231404222.

It can be written as a sum of positive squares in 6 ways, for example, as 18028516 + 204375616 = 4246^2 + 14296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55244 + ... + 59132.

It is an arithmetic number, because the mean of its divisors is an integer number (11858665).

Almost surely, 2^222404132 is an apocalyptic number.

It is an amenable number.

222404132 is a deficient number, since it is larger than the sum of its proper divisors (204507808).

222404132 is a wasteful number, since it uses less digits than its factorization.

222404132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 222404132 is about 14913.2200412922. The cubic root of 222404132 is about 605.8720952015.

Adding to 222404132 its reverse (231404222), we get a palindrome (453808354).

The spelling of 222404132 in words is "two hundred twenty-two million, four hundred four thousand, one hundred thirty-two".