1225576460 has 24 divisors (see below), whose sum is σ = 2583735840. Its totient is φ = 488321024.

The previous prime is 1225576447. The next prime is 1225576501. The reversal of 1225576460 is 646755221.

It is a super-2 number, since 2×1225576460² = 3004075318612263200, which contains 22 as substring.

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, 114080 + ... + 124359.

It is an arithmetic number, because the mean of its divisors is an integer number (107655660).

Almost surely, 2^1225576460 is an apocalyptic number.

1225576460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225576460 is an abundant number, since it is smaller than the sum of its proper divisors (1358159380).

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

1225576460 is a wasteful number, since it uses less digits than its factorization.

1225576460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238705 (or 238703 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1225576460 is about 35008.2341742625. The cubic root of 1225576460 is about 1070.1552923355.

The spelling of 1225576460 in words is "one billion, two hundred twenty-five million, five hundred seventy-six thousand, four hundred sixty".