222330156 has 24 divisors (see below), whose sum is σ = 521062080. Its totient is φ = 73782672.

The previous prime is 222330149. The next prime is 222330161. The reversal of 222330156 is 651033222.

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, 38086 + ... + 43533.

It is an arithmetic number, because the mean of its divisors is an integer number (21710920).

Almost surely, 2^222330156 is an apocalyptic number.

It is an amenable number.

222330156 is an abundant number, since it is smaller than the sum of its proper divisors (298731924).

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

222330156 is a wasteful number, since it uses less digits than its factorization.

222330156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81853 (or 81851 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 222330156 is about 14910.7396194823. The cubic root of 222330156 is about 605.8049127501.

Adding to 222330156 its reverse (651033222), we get a palindrome (873363378).

The spelling of 222330156 in words is "two hundred twenty-two million, three hundred thirty thousand, one hundred fifty-six".