222630625 has 40 divisors (see below), whose sum is σ = 320997248. Its totient is φ = 151200000.

The previous prime is 222630557. The next prime is 222630631. The reversal of 222630625 is 526036222.

It is not a de Polignac number, because 222630625 - 2¹⁹ = 222106337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222630593 and 222630602.

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, 660457 + ... + 660793.

Almost surely, 2^222630625 is an apocalyptic number.

222630625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222630625 is a deficient number, since it is larger than the sum of its proper divisors (98366623).

222630625 is an equidigital number, since it uses as much as digits as its factorization.

222630625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 222630625 is about 14920.8118076732. The cubic root of 222630625 is about 606.0776957460.

Adding to 222630625 its reverse (526036222), we get a palindrome (748666847).

The spelling of 222630625 in words is "two hundred twenty-two million, six hundred thirty thousand, six hundred twenty-five".