22354506 has 24 divisors (see below), whose sum is σ = 48657024. Its totient is φ = 7417320.

The previous prime is 22354489. The next prime is 22354511. The reversal of 22354506 is 60545322.

It is a self number, because there is not a number n which added to its sum of digits gives 22354506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1351 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (2027376).

Almost surely, 2^22354506 is an apocalyptic number.

22354506 is an abundant number, since it is smaller than the sum of its proper divisors (26302518).

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

22354506 is a wasteful number, since it uses less digits than its factorization.

22354506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706 (or 5703 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 22354506 is about 4728.0552027234. The cubic root of 22354506 is about 281.7009807679.

Adding to 22354506 its reverse (60545322), we get a palindrome (82899828).

The spelling of 22354506 in words is "twenty-two million, three hundred fifty-four thousand, five hundred six".