1224898556 has 24 divisors (see below), whose sum is σ = 2486365056. Its totient is φ = 517120560.

The previous prime is 1224898487. The next prime is 1224898573. The reversal of 1224898556 is 6558984221.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324590 + ... + 328341.

It is an arithmetic number, because the mean of its divisors is an integer number (103598544).

Almost surely, 2^1224898556 is an apocalyptic number.

It is an amenable number.

1224898556 is an abundant number, since it is smaller than the sum of its proper divisors (1261466500).

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

1224898556 is a wasteful number, since it uses less digits than its factorization.

1224898556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653009 (or 653007 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 50.

The square root of 1224898556 is about 34998.5507699962. The cubic root of 1224898556 is about 1069.9579440191.

The spelling of 1224898556 in words is "one billion, two hundred twenty-four million, eight hundred ninety-eight thousand, five hundred fifty-six".