22549045 has 8 divisors (see below), whose sum is σ = 27179424. Its totient is φ = 17958864.

The previous prime is 22549019. The next prime is 22549061. The reversal of 22549045 is 54094522.

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

It is a cyclic number.

It is not a de Polignac number, because 22549045 - 2⁵ = 22549013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22548998 and 22549016.

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, 8799 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (3397428).

Almost surely, 2^22549045 is an apocalyptic number.

It is an amenable number.

22549045 is a deficient number, since it is larger than the sum of its proper divisors (4630379).

22549045 is a wasteful number, since it uses less digits than its factorization.

22549045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20099.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 22549045 is about 4748.5834729949. The cubic root of 22549045 is about 282.5157847447.

The spelling of 22549045 in words is "twenty-two million, five hundred forty-nine thousand, forty-five".