222564426 has 16 divisors (see below), whose sum is σ = 508718784. Its totient is φ = 63589824.

The previous prime is 222564421. The next prime is 222564449. The reversal of 222564426 is 624465222.

It is not an unprimeable number, because it can be changed into a prime (222564421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649535 + ... + 2649618.

It is an arithmetic number, because the mean of its divisors is an integer number (31794924).

Almost surely, 2^222564426 is an apocalyptic number.

222564426 is an abundant number, since it is smaller than the sum of its proper divisors (286154358).

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

222564426 is a wasteful number, since it uses less digits than its factorization.

222564426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5299165.

The product of its digits is 46080, while the sum is 33.

The square root of 222564426 is about 14918.5932982973. The cubic root of 222564426 is about 606.0176175863.

The spelling of 222564426 in words is "two hundred twenty-two million, five hundred sixty-four thousand, four hundred twenty-six".