42262394 has 16 divisors (see below), whose sum is σ = 64831200. Its totient is φ = 20656944.

The previous prime is 42262387. The next prime is 42262397. The reversal of 42262394 is 49326224.

42262394 = 256² + 257² + ... + 523².

It is a super-2 number, since 2×42262394² = 3572219893222472, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42262394.

It is not an unprimeable number, because it can be changed into a prime (42262397) 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, 17492 + ... + 19760.

It is an arithmetic number, because the mean of its divisors is an integer number (4051950).

Almost surely, 2^42262394 is an apocalyptic number.

42262394 is a deficient number, since it is larger than the sum of its proper divisors (22568806).

42262394 is a wasteful number, since it uses less digits than its factorization.

42262394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477.

The product of its digits is 20736, while the sum is 32.

The square root of 42262394 is about 6500.9533147070. The cubic root of 42262394 is about 348.3250420153.

The spelling of 42262394 in words is "forty-two million, two hundred sixty-two thousand, three hundred ninety-four".