22385445 has 16 divisors (see below), whose sum is σ = 35925120. Its totient is φ = 11902784.

The previous prime is 22385431. The next prime is 22385453. The reversal of 22385445 is 54458322.

It is a cyclic number.

It is not a de Polignac number, because 22385445 - 2⁶ = 22385381 is a prime.

It is a super-2 number, since 2×22385445² = 1002216295696050, which contains 22 as substring.

It is a congruent 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, 3307 + ... + 7463.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^22385445 is an apocalyptic number.

It is an amenable number.

22385445 is a deficient number, since it is larger than the sum of its proper divisors (13539675).

22385445 is a wasteful number, since it uses less digits than its factorization.

22385445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524.

The product of its digits is 38400, while the sum is 33.

The square root of 22385445 is about 4731.3259240936. The cubic root of 22385445 is about 281.8308804387.

The spelling of 22385445 in words is "twenty-two million, three hundred eighty-five thousand, four hundred forty-five".