2288091556 has 9 divisors (see below), whose sum is σ = 4004327649. Its totient is φ = 1143997944.

The previous prime is 2288091539. The next prime is 2288091571. The reversal of 2288091556 is 6551908822.

The square root of 2288091556 is 47834.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1401004900 + 887086656 = 37430^2 + 29784^2 .

It is a super-2 number, since 2×2288091556² = 10470725937277002272, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 83710 + ... + 107626.

Almost surely, 2^2288091556 is an apocalyptic number.

2288091556 is the 47834-th square number.

It is an amenable number.

2288091556 is a deficient number, since it is larger than the sum of its proper divisors (1716236093).

2288091556 is an frugal number, since it uses more digits than its factorization.

2288091556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47838 (or 23919 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The cubic root of 2288091556 is about 1317.7240310016.

The spelling of 2288091556 in words is "two billion, two hundred eighty-eight million, ninety-one thousand, five hundred fifty-six".