222458125 has 10 divisors (see below), whose sum is σ = 277984454. Its totient is φ = 177966000.

The previous prime is 222458069. The next prime is 222458147. The reversal of 222458125 is 521854222.

It can be written as a sum of positive squares in 5 ways, for example, as 141943396 + 80514729 = 11914^2 + 8973^2 .

It is not a de Polignac number, because 222458125 - 2²³ = 214069517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 177342 + ... + 178591.

Almost surely, 2^222458125 is an apocalyptic number.

222458125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222458125 is a deficient number, since it is larger than the sum of its proper divisors (55526329).

222458125 is an frugal number, since it uses more digits than its factorization.

222458125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355953 (or 355938 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 222458125 is about 14915.0301709383. The cubic root of 222458125 is about 605.9211203775.

The spelling of 222458125 in words is "two hundred twenty-two million, four hundred fifty-eight thousand, one hundred twenty-five".