2257154 has 4 divisors (see below), whose sum is σ = 3385734. Its totient is φ = 1128576.

The previous prime is 2257139. The next prime is 2257169. The reversal of 2257154 is 4517522.

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

It is an interprime number because it is at equal distance from previous prime (2257139) and next prime (2257169).

It can be written as a sum of positive squares in only one way, i.e., 2181529 + 75625 = 1477^2 + 275^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564287 + ... + 564290.

2^2257154 is an apocalyptic number.

2257154 is a deficient number, since it is larger than the sum of its proper divisors (1128580).

2257154 is a wasteful number, since it uses less digits than its factorization.

2257154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128579.

The product of its digits is 2800, while the sum is 26.

The square root of 2257154 is about 1502.3827741291. The cubic root of 2257154 is about 131.1758026588.

The spelling of 2257154 in words is "two million, two hundred fifty-seven thousand, one hundred fifty-four".