222644622 has 32 divisors (see below), whose sum is σ = 469440000. Its totient is φ = 70201728.

The previous prime is 222644621. The next prime is 222644627. The reversal of 222644622 is 226446222.

It is a self number, because there is not a number n which added to its sum of digits gives 222644622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222644621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 110379 + ... + 112377.

It is an arithmetic number, because the mean of its divisors is an integer number (14670000).

Almost surely, 2^222644622 is an apocalyptic number.

222644622 is an abundant number, since it is smaller than the sum of its proper divisors (246795378).

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

222644622 is a wasteful number, since it uses less digits than its factorization.

222644622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000.

The product of its digits is 18432, while the sum is 30.

The square root of 222644622 is about 14921.2808431448. The cubic root of 222644622 is about 606.0903970410.

The spelling of 222644622 in words is "two hundred twenty-two million, six hundred forty-four thousand, six hundred twenty-two".