222946457 has 4 divisors (see below), whose sum is σ = 223659060. Its totient is φ = 222233856.

The previous prime is 222946447. The next prime is 222946499. The reversal of 222946457 is 754649222.

222946457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29986576 + 192959881 = 5476^2 + 13891^2 .

It is a cyclic number.

It is not a de Polignac number, because 222946457 - 2¹⁴ = 222930073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222946447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355832 + ... + 356457.

It is an arithmetic number, because the mean of its divisors is an integer number (55914765).

Almost surely, 2^222946457 is an apocalyptic number.

It is an amenable number.

222946457 is a deficient number, since it is larger than the sum of its proper divisors (712603).

222946457 is an equidigital number, since it uses as much as digits as its factorization.

222946457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712602.

The product of its digits is 241920, while the sum is 41.

The square root of 222946457 is about 14931.3916632041. The cubic root of 222946457 is about 606.3641617016.

The spelling of 222946457 in words is "two hundred twenty-two million, nine hundred forty-six thousand, four hundred fifty-seven".