626942225 has 24 divisors (see below), whose sum is σ = 956813760. Its totient is φ = 396832320.

The previous prime is 626942219. The next prime is 626942273. The reversal of 626942225 is 522249626.

It is not a de Polignac number, because 626942225 - 2⁴ = 626942209 is a prime.

It is an unprimeable number.

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, 135515 + ... + 140064.

It is an arithmetic number, because the mean of its divisors is an integer number (39867240).

Almost surely, 2^626942225 is an apocalyptic number.

626942225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

626942225 is a deficient number, since it is larger than the sum of its proper divisors (329871535).

626942225 is a wasteful number, since it uses less digits than its factorization.

626942225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275609 (or 275604 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 626942225 is about 25038.8143688953. The cubic root of 626942225 is about 855.8726996657.

The spelling of 626942225 in words is "six hundred twenty-six million, nine hundred forty-two thousand, two hundred twenty-five".