2172770530 has 32 divisors (see below), whose sum is σ = 4476176640. Its totient is φ = 743870400.

The previous prime is 2172770519. The next prime is 2172770533. The reversal of 2172770530 is 350772712.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2172770533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26931 + ... + 71209.

It is an arithmetic number, because the mean of its divisors is an integer number (139880520).

Almost surely, 2^2172770530 is an apocalyptic number.

2172770530 is an abundant number, since it is smaller than the sum of its proper divisors (2303406110).

2172770530 is a wasteful number, since it uses less digits than its factorization.

2172770530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44994.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 2172770530 is about 46612.9867097143. The cubic root of 2172770530 is about 1295.2033351452.

The spelling of 2172770530 in words is "two billion, one hundred seventy-two million, seven hundred seventy thousand, five hundred thirty".