42522274 has 4 divisors (see below), whose sum is σ = 63783414. Its totient is φ = 21261136.

The previous prime is 42522229. The next prime is 42522283. The reversal of 42522274 is 47222524.

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

It can be written as a sum of positive squares in only one way, i.e., 41512249 + 1010025 = 6443^2 + 1005^2 .

It is a super-2 number, since 2×42522274² = 3616287572262152, which contains 22 as substring.

It is an unprimeable number.

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, 10630567 + ... + 10630570.

Almost surely, 2^42522274 is an apocalyptic number.

42522274 is a deficient number, since it is larger than the sum of its proper divisors (21261140).

42522274 is a wasteful number, since it uses less digits than its factorization.

42522274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21261139.

The product of its digits is 8960, while the sum is 28.

The square root of 42522274 is about 6520.9105192450. The cubic root of 42522274 is about 349.0375572261.

Adding to 42522274 its reverse (47222524), we get a palindrome (89744798).

The spelling of 42522274 in words is "forty-two million, five hundred twenty-two thousand, two hundred seventy-four".