2238449072 has 20 divisors (see below), whose sum is σ = 4429273056. Its totient is φ = 1095410880.

The previous prime is 2238449069. The next prime is 2238449089. The reversal of 2238449072 is 2709448322.

It is a super-2 number, since 2×2238449072² = 10021308495875322368, which contains 22 as substring.

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, 1487579 + ... + 1489082.

Almost surely, 2^2238449072 is an apocalyptic number.

It is an amenable number.

2238449072 is a deficient number, since it is larger than the sum of its proper divisors (2190823984).

2238449072 is a wasteful number, since it uses less digits than its factorization.

2238449072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976716 (or 2976710 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 2238449072 is about 47312.2507602418. The cubic root of 2238449072 is about 1308.1244788590.

The spelling of 2238449072 in words is "two billion, two hundred thirty-eight million, four hundred forty-nine thousand, seventy-two".