222276925 has 18 divisors (see below), whose sum is σ = 297184538. Its totient is φ = 163944480.

The previous prime is 222276919. The next prime is 222276937. The reversal of 222276925 is 529672222.

It can be written as a sum of positive squares in 3 ways, for example, as 683929 + 221592996 = 827^2 + 14886^2 .

It is not a de Polignac number, because 222276925 - 2⁵ = 222276893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 268362 + ... + 269188.

Almost surely, 2^222276925 is an apocalyptic number.

222276925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222276925 is a deficient number, since it is larger than the sum of its proper divisors (74907613).

222276925 is an frugal number, since it uses more digits than its factorization.

222276925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 845 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 222276925 is about 14908.9545240436. The cubic root of 222276925 is about 605.7565609718.

The spelling of 222276925 in words is "two hundred twenty-two million, two hundred seventy-six thousand, nine hundred twenty-five".