2257994 has 4 divisors (see below), whose sum is σ = 3386994. Its totient is φ = 1128996.

The previous prime is 2257987. The next prime is 2258023. The reversal of 2257994 is 4997522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 82369 = 1475^2 + 287^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564497 + ... + 564500.

2^2257994 is an apocalyptic number.

2257994 is a deficient number, since it is larger than the sum of its proper divisors (1129000).

2257994 is a wasteful number, since it uses less digits than its factorization.

2257994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128999.

The product of its digits is 45360, while the sum is 38.

The square root of 2257994 is about 1502.6623040457. The cubic root of 2257994 is about 131.1920730016.

The spelling of 2257994 in words is "two million, two hundred fifty-seven thousand, nine hundred ninety-four".