2271572980 has 48 divisors (see below), whose sum is σ = 5158411776. Its totient is φ = 836979200.

The previous prime is 2271572977. The next prime is 2271573041. The reversal of 2271572980 is 892751722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55096 + ... + 87055.

It is an arithmetic number, because the mean of its divisors is an integer number (107466912).

Almost surely, 2^2271572980 is an apocalyptic number.

2271572980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2271572980 is an abundant number, since it is smaller than the sum of its proper divisors (2886838796).

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

2271572980 is a wasteful number, since it uses less digits than its factorization.

2271572980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142224 (or 142222 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 2271572980 is about 47661.0216004651. The cubic root of 2271572980 is about 1314.5453241662.

The spelling of 2271572980 in words is "two billion, two hundred seventy-one million, five hundred seventy-two thousand, nine hundred eighty".