222162650 has 12 divisors (see below), whose sum is σ = 413222622. Its totient is φ = 88865040.

The previous prime is 222162637. The next prime is 222162653. The reversal of 222162650 is 56261222.

It can be written as a sum of positive squares in 3 ways, for example, as 199628641 + 22534009 = 14129^2 + 4747^2 .

It is not an unprimeable number, because it can be changed into a prime (222162653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2221577 + ... + 2221676.

Almost surely, 2^222162650 is an apocalyptic number.

222162650 is a deficient number, since it is larger than the sum of its proper divisors (191059972).

222162650 is a wasteful number, since it uses less digits than its factorization.

222162650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443265 (or 4443260 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 222162650 is about 14905.1216029927. The cubic root of 222162650 is about 605.6527344843.

The spelling of 222162650 in words is "two hundred twenty-two million, one hundred sixty-two thousand, six hundred fifty".