2257394 has 4 divisors (see below), whose sum is σ = 3386094. Its totient is φ = 1128696.

The previous prime is 2257391. The next prime is 2257397. The reversal of 2257394 is 4937522.

It is a happy number.

2257394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (2257391) and next prime (2257397).

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 46225 = 1487^2 + 215^2 .

It is a d-powerful number, because it can be written as 2³ + 2⁷ + 5⁹ + 7⁴ + 3¹¹ + 9⁵ + 4⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2257394.

It is not an unprimeable number, because it can be changed into a prime (2257391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564347 + ... + 564350.

2^2257394 is an apocalyptic number.

2257394 is a deficient number, since it is larger than the sum of its proper divisors (1128700).

2257394 is a wasteful number, since it uses less digits than its factorization.

2257394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128699.

The product of its digits is 15120, while the sum is 32.

The square root of 2257394 is about 1502.4626451263. The cubic root of 2257394 is about 131.1804517400.

The spelling of 2257394 in words is "two million, two hundred fifty-seven thousand, three hundred ninety-four".