2257380 has 36 divisors (see below), whose sum is σ = 6847932. Its totient is φ = 601920.

The previous prime is 2257373. The next prime is 2257391. The reversal of 2257380 is 837522.

It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 831744 = 1194^2 + 912^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6091 + ... + 6450.

2^2257380 is an apocalyptic number.

2257380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257380 is an abundant number, since it is smaller than the sum of its proper divisors (4590552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2257380 is a wasteful number, since it uses less digits than its factorization.

2257380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12556 (or 12551 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2257380 is about 1502.4579861014. The cubic root of 2257380 is about 131.1801805527.

The spelling of 2257380 in words is "two million, two hundred fifty-seven thousand, three hundred eighty".