1220227504 has 10 divisors (see below), whose sum is σ = 2364190820. Its totient is φ = 610113744.

The previous prime is 1220227501. The next prime is 1220227529. The reversal of 1220227504 is 4057220221.

It is not an unprimeable number, because it can be changed into a prime (1220227501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38132094 + ... + 38132125.

It is an arithmetic number, because the mean of its divisors is an integer number (236419082).

Almost surely, 2^1220227504 is an apocalyptic number.

It is an amenable number.

1220227504 is a deficient number, since it is larger than the sum of its proper divisors (1143963316).

1220227504 is an equidigital number, since it uses as much as digits as its factorization.

1220227504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76264227 (or 76264221 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1220227504 is about 34931.7549516196. The cubic root of 1220227504 is about 1068.5961453616.

Adding to 1220227504 its reverse (4057220221), we get a palindrome (5277447725).

The spelling of 1220227504 in words is "one billion, two hundred twenty million, two hundred twenty-seven thousand, five hundred four".