22452345 has 24 divisors (see below), whose sum is σ = 39289536. Its totient is φ = 11860128.

The previous prime is 22452289. The next prime is 22452361. The reversal of 22452345 is 54325422.

It is a happy number.

It is not a de Polignac number, because 22452345 - 2¹⁰ = 22451321 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 2484 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (1637064).

Almost surely, 2^22452345 is an apocalyptic number.

It is an amenable number.

22452345 is a deficient number, since it is larger than the sum of its proper divisors (16837191).

22452345 is a wasteful number, since it uses less digits than its factorization.

22452345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781 (or 4778 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 22452345 is about 4738.3905495432. The cubic root of 22452345 is about 282.1113563537. Note that the first 3 decimals are identical.

Adding to 22452345 its reverse (54325422), we get a palindrome (76777767).

The spelling of 22452345 in words is "twenty-two million, four hundred fifty-two thousand, three hundred forty-five".