2972218146 has 16 divisors (see below), whose sum is σ = 6257301600. Its totient is φ = 938595168.

The previous prime is 2972218097. The next prime is 2972218147. The reversal of 2972218146 is 6418122792.

It is a junction number, because it is equal to n+sod(n) for n = 2972218098 and 2972218107.

It is not an unprimeable number, because it can be changed into a prime (2972218147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13035931 + ... + 13036158.

It is an arithmetic number, because the mean of its divisors is an integer number (391081350).

Almost surely, 2^2972218146 is an apocalyptic number.

2972218146 is an abundant number, since it is smaller than the sum of its proper divisors (3285083454).

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

2972218146 is a wasteful number, since it uses less digits than its factorization.

2972218146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26072113.

The product of its digits is 96768, while the sum is 42.

The square root of 2972218146 is about 54518.0533951828. The cubic root of 2972218146 is about 1437.7837155036.

The spelling of 2972218146 in words is "two billion, nine hundred seventy-two million, two hundred eighteen thousand, one hundred forty-six".