814822225 has 48 divisors (see below), whose sum is σ = 1187424000. Its totient is φ = 554413440.

The previous prime is 814822181. The next prime is 814822231. The reversal of 814822225 is 522228418.

It is not a de Polignac number, because 814822225 - 2⁷ = 814822097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1431741 + ... + 1432309.

It is an arithmetic number, because the mean of its divisors is an integer number (24738000).

Almost surely, 2^814822225 is an apocalyptic number.

It is an amenable number.

814822225 is a deficient number, since it is larger than the sum of its proper divisors (372601775).

814822225 is a wasteful number, since it uses less digits than its factorization.

814822225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 748 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 814822225 is about 28545.0910841076. The cubic root of 814822225 is about 934.0159416140.

The spelling of 814822225 in words is "eight hundred fourteen million, eight hundred twenty-two thousand, two hundred twenty-five".