2257402 has 16 divisors (see below), whose sum is σ = 3889152. Its totient is φ = 962640.

The previous prime is 2257397. The next prime is 2257403. The reversal of 2257402 is 2047522.

It is not an unprimeable number, because it can be changed into a prime (2257403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5152 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (243072).

2^2257402 is an apocalyptic number.

2257402 is a deficient number, since it is larger than the sum of its proper divisors (1631750).

2257402 is a wasteful number, since it uses less digits than its factorization.

2257402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2257402 is about 1502.4653074198. The cubic root of 2257402 is about 131.1806067037.

Adding to 2257402 its product of nonzero digits (1120), we get a palindrome (2258522).

The spelling of 2257402 in words is "two million, two hundred fifty-seven thousand, four hundred two".