2290790644 has 12 divisors (see below), whose sum is σ = 4009606468. Its totient is φ = 1145188800.

The previous prime is 2290790633. The next prime is 2290790653. The reversal of 2290790644 is 4460970922.

It can be written as a sum of positive squares in 2 ways, for example, as 1904275044 + 386515600 = 43638^2 + 19660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2290790644.

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 3 ways as a sum of consecutive naturals, for example, 25167 + ... + 72214.

Almost surely, 2^2290790644 is an apocalyptic number.

It is an amenable number.

2290790644 is a deficient number, since it is larger than the sum of its proper divisors (1718815824).

2290790644 is a wasteful number, since it uses less digits than its factorization.

2290790644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103266 (or 103264 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2290790644 is about 47862.2047549003. The cubic root of 2290790644 is about 1318.2419670841.

The spelling of 2290790644 in words is "two billion, two hundred ninety million, seven hundred ninety thousand, six hundred forty-four".