772422825 has 24 divisors (see below), whose sum is σ = 1278141408. Its totient is φ = 411614080.

The previous prime is 772422799. The next prime is 772422857. The reversal of 772422825 is 528224277.

It is a happy number.

It is not a de Polignac number, because 772422825 - 2²⁴ = 755645609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103882 + ... + 111068.

It is an arithmetic number, because the mean of its divisors is an integer number (53255892).

Almost surely, 2^772422825 is an apocalyptic number.

772422825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

772422825 is a deficient number, since it is larger than the sum of its proper divisors (505718583).

772422825 is a wasteful number, since it uses less digits than its factorization.

772422825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633 (or 8628 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 772422825 is about 27792.4958397046. The cubic root of 772422825 is about 917.5259714427.

The spelling of 772422825 in words is "seven hundred seventy-two million, four hundred twenty-two thousand, eight hundred twenty-five".