2239779872 has 48 divisors (see below), whose sum is σ = 4922340192. Its totient is φ = 994398720.

The previous prime is 2239779863. The next prime is 2239779931. The reversal of 2239779872 is 2789779322.

It is a super-2 number, since 2×2239779872² = 10033227750032672768, 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, 58853 + ... + 89124.

It is an arithmetic number, because the mean of its divisors is an integer number (102548754).

Almost surely, 2^2239779872 is an apocalyptic number.

2239779872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2239779872 is an abundant number, since it is smaller than the sum of its proper divisors (2682560320).

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

2239779872 is a wasteful number, since it uses less digits than its factorization.

2239779872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148041 (or 148033 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 56.

The square root of 2239779872 is about 47326.3126812136. The cubic root of 2239779872 is about 1308.3836623568.

The spelling of 2239779872 in words is "two billion, two hundred thirty-nine million, seven hundred seventy-nine thousand, eight hundred seventy-two".