1220474316 has 12 divisors (see below), whose sum is σ = 2847773432. Its totient is φ = 406824768.

The previous prime is 1220474287. The next prime is 1220474357. The reversal of 1220474316 is 6134740221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50853085 + ... + 50853108.

Almost surely, 2^1220474316 is an apocalyptic number.

It is an amenable number.

1220474316 is an abundant number, since it is smaller than the sum of its proper divisors (1627299116).

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

1220474316 is a wasteful number, since it uses less digits than its factorization.

1220474316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101706200 (or 101706198 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1220474316 is about 34935.2875471206. The cubic root of 1220474316 is about 1068.6681878211.

The spelling of 1220474316 in words is "one billion, two hundred twenty million, four hundred seventy-four thousand, three hundred sixteen".