2257390930 has 16 divisors (see below), whose sum is σ = 4064238360. Its totient is φ = 902748672.

The previous prime is 2257390921. The next prime is 2257390939. The reversal of 2257390930 is 390937522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2257390921) and next prime (2257390939).

It can be written as a sum of positive squares in 4 ways, for example, as 465308041 + 1792082889 = 21571^2 + 42333^2 .

It is not an unprimeable number, because it can be changed into a prime (2257390939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24322 + ... + 71458.

Almost surely, 2^2257390930 is an apocalyptic number.

2257390930 is a deficient number, since it is larger than the sum of its proper divisors (1806847430).

2257390930 is a wasteful number, since it uses less digits than its factorization.

2257390930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51933.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 2257390930 is about 47512.0082715938. The cubic root of 2257390930 is about 1311.8039227261.

The spelling of 2257390930 in words is "two billion, two hundred fifty-seven million, three hundred ninety thousand, nine hundred thirty".