42274256 has 10 divisors (see below), whose sum is σ = 81906402. Its totient is φ = 21137120.

The previous prime is 42274247. The next prime is 42274261. The reversal of 42274256 is 65247224.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 2835856 = 6280^2 + 1684^2 .

It is a super-2 number, since 2×42274256² = 3574225440707072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321055 + ... + 1321086.

Almost surely, 2^42274256 is an apocalyptic number.

It is an amenable number.

42274256 is a deficient number, since it is larger than the sum of its proper divisors (39632146).

42274256 is a wasteful number, since it uses less digits than its factorization.

42274256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642149 (or 2642143 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 42274256 is about 6501.8655784321. The cubic root of 42274256 is about 348.3576276842.

The spelling of 42274256 in words is "forty-two million, two hundred seventy-four thousand, two hundred fifty-six".