2243739972 has 48 divisors (see below), whose sum is σ = 5320647360. Its totient is φ = 735787008.

The previous prime is 2243739937. The next prime is 2243739989. The reversal of 2243739972 is 2799373422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363988 + ... + 370100.

It is an arithmetic number, because the mean of its divisors is an integer number (110846820).

Almost surely, 2^2243739972 is an apocalyptic number.

It is an amenable number.

2243739972 is an abundant number, since it is smaller than the sum of its proper divisors (3076907388).

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

2243739972 is a wasteful number, since it uses less digits than its factorization.

2243739972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612 (or 6610 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 48.

The square root of 2243739972 is about 47368.1324521033. The cubic root of 2243739972 is about 1309.1543153930.

The spelling of 2243739972 in words is "two billion, two hundred forty-three million, seven hundred thirty-nine thousand, nine hundred seventy-two".