222422432 has 24 divisors (see below), whose sum is σ = 440842500. Its totient is φ = 110462464.

The previous prime is 222422383. The next prime is 222422491. The reversal of 222422432 is 234224222.

It can be written as a sum of positive squares in 2 ways, for example, as 217739536 + 4682896 = 14756^2 + 2164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222422398 and 222422407.

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, 18557 + ... + 28092.

Almost surely, 2^222422432 is an apocalyptic number.

It is an amenable number.

222422432 is a deficient number, since it is larger than the sum of its proper divisors (218420068).

222422432 is a wasteful number, since it uses less digits than its factorization.

222422432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46808 (or 46800 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 222422432 is about 14913.8335782588. The cubic root of 222422432 is about 605.8887123317. Note that the first 3 decimals are identical.

Adding to 222422432 its reverse (234224222), we get a palindrome (456646654).

The spelling of 222422432 in words is "two hundred twenty-two million, four hundred twenty-two thousand, four hundred thirty-two".