2239772 has 12 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 1110816.

The previous prime is 2239759. The next prime is 2239793. The reversal of 2239772 is 2779322.

It is a super-2 number, since 2×2239772² = 10033157223968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (329280).

2^2239772 is an apocalyptic number.

It is an amenable number.

2239772 is a deficient number, since it is larger than the sum of its proper divisors (1711588).

2239772 is a wasteful number, since it uses less digits than its factorization.

2239772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540 (or 4538 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 2239772 is about 1496.5867833173. The cubic root of 2239772 is about 130.8382129526.

The spelling of 2239772 in words is "two million, two hundred thirty-nine thousand, seven hundred seventy-two".