42522452 has 24 divisors (see below), whose sum is σ = 87790080. Its totient is φ = 17635680.

The previous prime is 42522443. The next prime is 42522481. The reversal of 42522452 is 25422524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23627 + ... + 25362.

It is an arithmetic number, because the mean of its divisors is an integer number (3657920).

Almost surely, 2^42522452 is an apocalyptic number.

It is an amenable number.

42522452 is an abundant number, since it is smaller than the sum of its proper divisors (45267628).

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

42522452 is a wasteful number, since it uses less digits than its factorization.

42522452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49031 (or 49029 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 42522452 is about 6520.9241676315. The cubic root of 42522452 is about 349.0380442540.

Adding to 42522452 its reverse (25422524), we get a palindrome (67944976).

The spelling of 42522452 in words is "forty-two million, five hundred twenty-two thousand, four hundred fifty-two".