22452522 has 8 divisors (see below), whose sum is σ = 44905056. Its totient is φ = 7484172.

The previous prime is 22452517. The next prime is 22452527. The reversal of 22452522 is 22525422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22452517) and next prime (22452527).

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

22452522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22452492 and 22452501.

It is not an unprimeable number, because it can be changed into a prime (22452527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871038 + ... + 1871049.

It is an arithmetic number, because the mean of its divisors is an integer number (5613132).

Almost surely, 2^22452522 is an apocalyptic number.

22452522 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.

22452522 is a wasteful number, since it uses less digits than its factorization.

22452522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742092.

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

The square root of 22452522 is about 4738.4092267342. The cubic root of 22452522 is about 282.1120976806.

Adding to 22452522 its reverse (22525422), we get a palindrome (44977944).

Subtracting 22452522 from its reverse (22525422), we obtain a square (72900 = 270²).

The spelling of 22452522 in words is "twenty-two million, four hundred fifty-two thousand, five hundred twenty-two".