2547972922 has 16 divisors (see below), whose sum is σ = 4388853600. Its totient is φ = 1097213040.

The previous prime is 2547972907. The next prime is 2547972967. The reversal of 2547972922 is 2292797452.

It is a super-2 number, since 2×2547972922² = 12984332022490436168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3047397 + ... + 3048232.

It is an arithmetic number, because the mean of its divisors is an integer number (274303350).

Almost surely, 2^2547972922 is an apocalyptic number.

2547972922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2547972922 is a deficient number, since it is larger than the sum of its proper divisors (1840880678).

2547972922 is a wasteful number, since it uses less digits than its factorization.

2547972922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095661.

The product of its digits is 1270080, while the sum is 49.

The square root of 2547972922 is about 50477.4496384277. The cubic root of 2547972922 is about 1365.8351005369.

The spelling of 2547972922 in words is "two billion, five hundred forty-seven million, nine hundred seventy-two thousand, nine hundred twenty-two".