222445532 has 12 divisors (see below), whose sum is σ = 393654240. Its totient is φ = 109972896.

The previous prime is 222445511. The next prime is 222445577. The reversal of 222445532 is 235544222.

It is a junction number, because it is equal to n+sod(n) for n = 222445495 and 222445504.

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, 312068 + ... + 312779.

It is an arithmetic number, because the mean of its divisors is an integer number (32804520).

Almost surely, 2^222445532 is an apocalyptic number.

It is an amenable number.

222445532 is a deficient number, since it is larger than the sum of its proper divisors (171208708).

222445532 is a wasteful number, since it uses less digits than its factorization.

222445532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624940 (or 624938 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 222445532 is about 14914.6080069172. The cubic root of 222445532 is about 605.9096867521.

Adding to 222445532 its reverse (235544222), we get a palindrome (457989754).

The spelling of 222445532 in words is "two hundred twenty-two million, four hundred forty-five thousand, five hundred thirty-two".