222417125 has 24 divisors (see below), whose sum is σ = 322904088. Its totient is φ = 152510400.

The previous prime is 222417121. The next prime is 222417127. The reversal of 222417125 is 521714222.

It can be written as a sum of positive squares in 4 ways, for example, as 37429924 + 184987201 = 6118^2 + 13601^2 .

It is not a de Polignac number, because 222417125 - 2² = 222417121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222417094 and 222417103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222417121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12032 + ... + 24281.

It is an arithmetic number, because the mean of its divisors is an integer number (13454337).

Almost surely, 2^222417125 is an apocalyptic number.

222417125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222417125 is a deficient number, since it is larger than the sum of its proper divisors (100486963).

222417125 is an equidigital number, since it uses as much as digits as its factorization.

222417125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36342 (or 36325 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 222417125 is about 14913.6556551370. The cubic root of 222417125 is about 605.8838934578.

The spelling of 222417125 in words is "two hundred twenty-two million, four hundred seventeen thousand, one hundred twenty-five".