42522522 has 32 divisors (see below), whose sum is σ = 97620864. Its totient is φ = 12096000.

The previous prime is 42522499. The next prime is 42522527. The reversal of 42522522 is 22522524.

It is a happy number.

42522522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42522492 and 42522501.

It is not an unprimeable number, because it can be changed into a prime (42522527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8022 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (3050652).

Almost surely, 2^42522522 is an apocalyptic number.

42522522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42522522 is an abundant number, since it is smaller than the sum of its proper divisors (55098342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42522522 is a wasteful number, since it uses less digits than its factorization.

42522522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454.

The product of its digits is 3200, while the sum is 24.

The square root of 42522522 is about 6520.9295349666. The cubic root of 42522522 is about 349.0382357815.

The spelling of 42522522 in words is "forty-two million, five hundred twenty-two thousand, five hundred twenty-two".