22542522 has 8 divisors (see below), whose sum is σ = 45085056. Its totient is φ = 7514172.

The previous prime is 22542479. The next prime is 22542539. The reversal of 22542522 is 22524522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

22542522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22542492 and 22542501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878538 + ... + 1878549.

It is an arithmetic number, because the mean of its divisors is an integer number (5635632).

Almost surely, 2^22542522 is an apocalyptic number.

22542522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22542522 is a wasteful number, since it uses less digits than its factorization.

22542522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757092.

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

The square root of 22542522 is about 4747.8965869109. The cubic root of 22542522 is about 282.4885400107.

The spelling of 22542522 in words is "twenty-two million, five hundred forty-two thousand, five hundred twenty-two".