22053745 has 8 divisors (see below), whose sum is σ = 30245184. Its totient is φ = 15122544.

The previous prime is 22053721. The next prime is 22053751. The reversal of 22053745 is 54735022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22053745 is a prime.

It is a Duffinian 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, 315019 + ... + 315088.

It is an arithmetic number, because the mean of its divisors is an integer number (3780648).

Almost surely, 2^22053745 is an apocalyptic number.

It is an amenable number.

22053745 is a deficient number, since it is larger than the sum of its proper divisors (8191439).

22053745 is an equidigital number, since it uses as much as digits as its factorization.

22053745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630119.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 22053745 is about 4696.1415012753. The cubic root of 22053745 is about 280.4319226674.

Adding to 22053745 its reverse (54735022), we get a palindrome (76788767).

The spelling of 22053745 in words is "twenty-two million, fifty-three thousand, seven hundred forty-five".