1220472604 has 48 divisors (see below), whose sum is σ = 2379847680. Its totient is φ = 543856320.

The previous prime is 1220472601. The next prime is 1220472611. The reversal of 1220472604 is 4062740221.

It is a happy number.

It is a super-2 number, since 2×1220472604² = 2979106754229081632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220472601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197207 + ... + 1198225.

It is an arithmetic number, because the mean of its divisors is an integer number (49580160).

Almost surely, 2^1220472604 is an apocalyptic number.

It is an amenable number.

1220472604 is a deficient number, since it is larger than the sum of its proper divisors (1159375076).

1220472604 is a wasteful number, since it uses less digits than its factorization.

1220472604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1220472604 is about 34935.2630446659. The cubic root of 1220472604 is about 1068.6676881354.

The spelling of 1220472604 in words is "one billion, two hundred twenty million, four hundred seventy-two thousand, six hundred four".