22553845 has 8 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 18022800.

The previous prime is 22553827. The next prime is 22553873. The reversal of 22553845 is 54835522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22553845 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22553845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3796 + ... + 7714.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^22553845 is an apocalyptic number.

It is an amenable number.

22553845 is a deficient number, since it is larger than the sum of its proper divisors (4541195).

22553845 is a wasteful number, since it uses less digits than its factorization.

22553845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075.

The product of its digits is 48000, while the sum is 34.

The square root of 22553845 is about 4749.0888599815. The cubic root of 22553845 is about 282.5358296373.

The spelling of 22553845 in words is "twenty-two million, five hundred fifty-three thousand, eight hundred forty-five".