2290587988 has 18 divisors (see below), whose sum is σ = 4317527886. Its totient is φ = 1057035168.

The previous prime is 2290587979. The next prime is 2290588031. The reversal of 2290587988 is 8897850922.

It can be written as a sum of positive squares in 3 ways, for example, as 463196484 + 1827391504 = 21522^2 + 42748^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 341806 + ... + 348442.

Almost surely, 2^2290587988 is an apocalyptic number.

It is an amenable number.

2290587988 is a deficient number, since it is larger than the sum of its proper divisors (2026939898).

2290587988 is an frugal number, since it uses more digits than its factorization.

2290587988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13291 (or 6652 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The square root of 2290587988 is about 47860.0876305090. The cubic root of 2290587988 is about 1318.2030929479.

The spelling of 2290587988 in words is "two billion, two hundred ninety million, five hundred eighty-seven thousand, nine hundred eighty-eight".