222946458 has 16 divisors (see below), whose sum is σ = 509592000. Its totient is φ = 63698976.

The previous prime is 222946447. The next prime is 222946499. The reversal of 222946458 is 854649222.

222946458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5308249 = 222946458 / (2 + 2 + 2 + 9 + 4 + 6 + 4 + 5 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654083 + ... + 2654166.

It is an arithmetic number, because the mean of its divisors is an integer number (31849500).

Almost surely, 2^222946458 is an apocalyptic number.

222946458 is an abundant number, since it is smaller than the sum of its proper divisors (286645542).

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

222946458 is a wasteful number, since it uses less digits than its factorization.

222946458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308261.

The product of its digits is 276480, while the sum is 42.

The square root of 222946458 is about 14931.3916966906. The cubic root of 222946458 is about 606.3641626082.

The spelling of 222946458 in words is "two hundred twenty-two million, nine hundred forty-six thousand, four hundred fifty-eight".