22242522 has 8 divisors (see below), whose sum is σ = 44485056. Its totient is φ = 7414172.

The previous prime is 22242503. The next prime is 22242533. The reversal of 22242522 is 22524222.

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

22242522 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1853538 + ... + 1853549.

It is an arithmetic number, because the mean of its divisors is an integer number (5560632).

Almost surely, 2^22242522 is an apocalyptic number.

22242522 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.

22242522 is a wasteful number, since it uses less digits than its factorization.

22242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707092.

The product of its digits is 1280, while the sum is 21.

The square root of 22242522 is about 4716.1978330006. The cubic root of 22242522 is about 281.2298031917.

Adding to 22242522 its reverse (22524222), we get a palindrome (44766744).

The spelling of 22242522 in words is "twenty-two million, two hundred forty-two thousand, five hundred twenty-two".