1122656825 has 6 divisors (see below), whose sum is σ = 1392094494. Its totient is φ = 898125440.

The previous prime is 1122656813. The next prime is 1122656827. The reversal of 1122656825 is 5286562211.

It can be written as a sum of positive squares in 3 ways, for example, as 6295081 + 1116361744 = 2509^2 + 33412^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1122656825 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122656827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22453112 + ... + 22453161.

It is an arithmetic number, because the mean of its divisors is an integer number (232015749).

Almost surely, 2^1122656825 is an apocalyptic number.

It is an amenable number.

1122656825 is a deficient number, since it is larger than the sum of its proper divisors (269437669).

1122656825 is an equidigital number, since it uses as much as digits as its factorization.

1122656825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44906283 (or 44906278 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 1122656825 is about 33506.0714647361. The cubic root of 1122656825 is about 1039.3193354926.

The spelling of 1122656825 in words is "one billion, one hundred twenty-two million, six hundred fifty-six thousand, eight hundred twenty-five".