222126632 has 32 divisors (see below), whose sum is σ = 512601600. Its totient is φ = 87873984.

The previous prime is 222126623. The next prime is 222126647. The reversal of 222126632 is 236621222.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151832 + ... + 153287.

It is an arithmetic number, because the mean of its divisors is an integer number (16018800).

Almost surely, 2^222126632 is an apocalyptic number.

It is an amenable number.

222126632 is an abundant number, since it is smaller than the sum of its proper divisors (290474968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222126632 is a wasteful number, since it uses less digits than its factorization.

222126632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305145 (or 305141 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 222126632 is about 14903.9133116105. The cubic root of 222126632 is about 605.6200023408.

Adding to 222126632 its reverse (236621222), we get a palindrome (458747854).

The spelling of 222126632 in words is "two hundred twenty-two million, one hundred twenty-six thousand, six hundred thirty-two".