2257382690 has 16 divisors (see below), whose sum is σ = 4063997880. Its totient is φ = 902795520.

The previous prime is 2257382681. The next prime is 2257382719. The reversal of 2257382690 is 962837522.

It can be written as a sum of positive squares in 4 ways, for example, as 2166809401 + 90573289 = 46549^2 + 9517^2 .

It is a super-2 number, since 2×2257382690² = 10191553218223272200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53396 + ... + 85824.

Almost surely, 2^2257382690 is an apocalyptic number.

2257382690 is a deficient number, since it is larger than the sum of its proper divisors (1806615190).

2257382690 is a wasteful number, since it uses less digits than its factorization.

2257382690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39397.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2257382690 is about 47511.9215565946. The cubic root of 2257382690 is about 1311.8023265947.

The spelling of 2257382690 in words is "two billion, two hundred fifty-seven million, three hundred eighty-two thousand, six hundred ninety".