22945783 has 4 divisors (see below), whose sum is σ = 26223760. Its totient is φ = 19667808.

The previous prime is 22945781. The next prime is 22945799. The reversal of 22945783 is 38754922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22945783 - 2¹ = 22945781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22945781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638978 + ... + 1638991.

It is an arithmetic number, because the mean of its divisors is an integer number (6555940).

Almost surely, 2^22945783 is an apocalyptic number.

22945783 is a deficient number, since it is larger than the sum of its proper divisors (3277977).

22945783 is an equidigital number, since it uses as much as digits as its factorization.

22945783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277976.

The product of its digits is 120960, while the sum is 40.

The square root of 22945783 is about 4790.1756752754. The cubic root of 22945783 is about 284.1630642937.

The spelling of 22945783 in words is "twenty-two million, nine hundred forty-five thousand, seven hundred eighty-three".