2220972812 has 6 divisors (see below), whose sum is σ = 3886702428. Its totient is φ = 1110486404.

The previous prime is 2220972781. The next prime is 2220972863. The reversal of 2220972812 is 2182790222.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277621598 + ... + 277621605.

It is an arithmetic number, because the mean of its divisors is an integer number (647783738).

Almost surely, 2^2220972812 is an apocalyptic number.

It is an amenable number.

2220972812 is a deficient number, since it is larger than the sum of its proper divisors (1665729616).

2220972812 is a wasteful number, since it uses less digits than its factorization.

2220972812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555243207 (or 555243205 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2220972812 is about 47127.1982192873. The cubic root of 2220972812 is about 1304.7112707587.

The spelling of 2220972812 in words is "two billion, two hundred twenty million, nine hundred seventy-two thousand, eight hundred twelve".