22552345 has 16 divisors (see below), whose sum is σ = 28288512. Its totient is φ = 17239680.

The previous prime is 22552307. The next prime is 22552381. The reversal of 22552345 is 54325522.

It is not a de Polignac number, because 22552345 - 2¹⁹ = 22028057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11989 + ... + 13741.

It is an arithmetic number, because the mean of its divisors is an integer number (1768032).

Almost surely, 2^22552345 is an apocalyptic number.

It is an amenable number.

22552345 is a deficient number, since it is larger than the sum of its proper divisors (5736167).

22552345 is a wasteful number, since it uses less digits than its factorization.

22552345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its digits is 12000, while the sum is 28.

The square root of 22552345 is about 4748.9309323257. The cubic root of 22552345 is about 282.5295659139.

Adding to 22552345 its reverse (54325522), we get a palindrome (76877867).

The spelling of 22552345 in words is "twenty-two million, five hundred fifty-two thousand, three hundred forty-five".