22230522 has 24 divisors (see below), whose sum is σ = 48491040. Its totient is φ = 7360200.

The previous prime is 22230517. The next prime is 22230529. The reversal of 22230522 is 22503222.

It is a super-2 number, since 2×22230522² = 988392216784968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22230495 and 22230504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (2020460).

Almost surely, 2^22230522 is an apocalyptic number.

22230522 is an abundant number, since it is smaller than the sum of its proper divisors (26260518).

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

22230522 is a wasteful number, since it uses less digits than its factorization.

22230522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338 (or 8335 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22230522 is about 4714.9254500999. The cubic root of 22230522 is about 281.1792189290.

Adding to 22230522 its reverse (22503222), we get a palindrome (44733744).

The spelling of 22230522 in words is "twenty-two million, two hundred thirty thousand, five hundred twenty-two".