222727126 has 12 divisors (see below), whose sum is σ = 345218436. Its totient is φ = 107770260.

The previous prime is 222727123. The next prime is 222727133. The reversal of 222727126 is 621727222.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222727121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56020 + ... + 59863.

It is an arithmetic number, because the mean of its divisors is an integer number (28768203).

Almost surely, 2^222727126 is an apocalyptic number.

222727126 is a deficient number, since it is larger than the sum of its proper divisors (122491310).

222727126 is a wasteful number, since it uses less digits than its factorization.

222727126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115947 (or 115916 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 222727126 is about 14924.0452290925. The cubic root of 222727126 is about 606.1652528153.

The spelling of 222727126 in words is "two hundred twenty-two million, seven hundred twenty-seven thousand, one hundred twenty-six".