1225772874 has 24 divisors (see below), whose sum is σ = 2657240352. Its totient is φ = 408375720.

The previous prime is 1225772827. The next prime is 1225772887. The reversal of 1225772874 is 4782775221.

1225772874 is a `hidden beast` number, since 1 + 2 + 2 + 577 + 2 + 8 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19267 + ... + 53129.

It is an arithmetic number, because the mean of its divisors is an integer number (110718348).

Almost surely, 2^1225772874 is an apocalyptic number.

1225772874 is an abundant number, since it is smaller than the sum of its proper divisors (1431467478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225772874 is a wasteful number, since it uses less digits than its factorization.

1225772874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35882 (or 35879 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 1225772874 is about 35011.0393161928. The cubic root of 1225772874 is about 1070.2124578846.

The spelling of 1225772874 in words is "one billion, two hundred twenty-five million, seven hundred seventy-two thousand, eight hundred seventy-four".