222113125 has 20 divisors (see below), whose sum is σ = 298913692. Its totient is φ = 164016000.

The previous prime is 222113123. The next prime is 222113137. The reversal of 222113125 is 521311222.

It can be written as a sum of positive squares in 10 ways, for example, as 157101156 + 65011969 = 12534^2 + 8063^2 .

It is not a de Polignac number, because 222113125 - 2¹ = 222113123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222113123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5544 + ... + 21793.

Almost surely, 2^222113125 is an apocalyptic number.

222113125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222113125 is a deficient number, since it is larger than the sum of its proper divisors (76800567).

222113125 is an equidigital number, since it uses as much as digits as its factorization.

222113125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27370 (or 27355 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 222113125 is about 14903.4601686991. The cubic root of 222113125 is about 605.6077266476.

Adding to 222113125 its reverse (521311222), we get a palindrome (743424347).

The spelling of 222113125 in words is "two hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-five".