222132320 has 24 divisors (see below), whose sum is σ = 524787984. Its totient is φ = 88852864.

The previous prime is 222132311. The next prime is 222132419. The reversal of 222132320 is 23231222.

222132320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 694004 + ... + 694323.

It is an arithmetic number, because the mean of its divisors is an integer number (21866166).

Almost surely, 2^222132320 is an apocalyptic number.

222132320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222132320 is an abundant number, since it is smaller than the sum of its proper divisors (302655664).

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

222132320 is a wasteful number, since it uses less digits than its factorization.

222132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388342 (or 1388334 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222132320 is about 14904.1041327548. The cubic root of 222132320 is about 605.6251716702.

Adding to 222132320 its reverse (23231222), we get a palindrome (245363542).

The spelling of 222132320 in words is "two hundred twenty-two million, one hundred thirty-two thousand, three hundred twenty".