1225931814 has 32 divisors (see below), whose sum is σ = 2735626080. Its totient is φ = 406944000.

The previous prime is 1225931807. The next prime is 1225931843. The reversal of 1225931814 is 4181395221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34087 + ... + 60114.

It is an arithmetic number, because the mean of its divisors is an integer number (85488315).

Almost surely, 2^1225931814 is an apocalyptic number.

1225931814 is an abundant number, since it is smaller than the sum of its proper divisors (1509694266).

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

1225931814 is a wasteful number, since it uses less digits than its factorization.

1225931814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94453 (or 94447 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1225931814 is about 35013.3090981130. The cubic root of 1225931814 is about 1070.2587122982.

The spelling of 1225931814 in words is "one billion, two hundred twenty-five million, nine hundred thirty-one thousand, eight hundred fourteen".