222355125 has 40 divisors (see below), whose sum is σ = 414554712. Its totient is φ = 118584000.

The previous prime is 222355117. The next prime is 222355169. The reversal of 222355125 is 521553222.

It can be written as a sum of positive squares in 4 ways, for example, as 762129 + 221592996 = 873^2 + 14886^2 .

It is not a de Polignac number, because 222355125 - 2³ = 222355117 is a prime.

It is a super-2 number, since 2×222355125² = 98883603227531250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 856 + ... + 21105.

Almost surely, 2^222355125 is an apocalyptic number.

222355125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222355125 is a deficient number, since it is larger than the sum of its proper divisors (192199587).

222355125 is an equidigital number, since it uses as much as digits as its factorization.

222355125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21988 (or 21969 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 222355125 is about 14911.5768783855. The cubic root of 222355125 is about 605.8275904005.

The spelling of 222355125 in words is "two hundred twenty-two million, three hundred fifty-five thousand, one hundred twenty-five".