2239772256 has 48 divisors (see below), whose sum is σ = 6532671600. Its totient is φ = 746590464.

The previous prime is 2239772251. The next prime is 2239772291. The reversal of 2239772256 is 6522779322.

2239772256 is a `hidden beast` number, since 2 + 2 + 397 + 7 + 2 + 256 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239772251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295301 + ... + 1297028.

It is an arithmetic number, because the mean of its divisors is an integer number (136097325).

Almost surely, 2^2239772256 is an apocalyptic number.

It is an amenable number.

2239772256 is an abundant number, since it is smaller than the sum of its proper divisors (4292899344).

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

2239772256 is a wasteful number, since it uses less digits than its factorization.

2239772256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592348 (or 2592334 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 2239772256 is about 47326.2322185065. The cubic root of 2239772256 is about 1308.3821793746.

The spelling of 2239772256 in words is "two billion, two hundred thirty-nine million, seven hundred seventy-two thousand, two hundred fifty-six".