2972226667 has 4 divisors (see below), whose sum is σ = 2972368360. Its totient is φ = 2972084976.

The previous prime is 2972226659. The next prime is 2972226703. The reversal of 2972226667 is 7666222792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2972226667 - 2³ = 2972226659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2972226667.

It is not an unprimeable number, because it can be changed into a prime (2972227667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32442 + ... + 83647.

It is an arithmetic number, because the mean of its divisors is an integer number (743092090).

Almost surely, 2^2972226667 is an apocalyptic number.

2972226667 is a deficient number, since it is larger than the sum of its proper divisors (141693).

2972226667 is a wasteful number, since it uses less digits than its factorization.

2972226667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141692.

The product of its digits is 1524096, while the sum is 49.

The square root of 2972226667 is about 54518.1315435516. The cubic root of 2972226667 is about 1437.7850894879.

The spelling of 2972226667 in words is "two billion, nine hundred seventy-two million, two hundred twenty-six thousand, six hundred sixty-seven".