22468445 has 4 divisors (see below), whose sum is σ = 26962140. Its totient is φ = 17974752.

The previous prime is 22468421. The next prime is 22468463. The reversal of 22468445 is 54486422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10621081 + 11847364 = 3259^2 + 3442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22468445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246840 + ... + 2246849.

It is an arithmetic number, because the mean of its divisors is an integer number (6740535).

Almost surely, 2^22468445 is an apocalyptic number.

It is an amenable number.

22468445 is a deficient number, since it is larger than the sum of its proper divisors (4493695).

22468445 is an equidigital number, since it uses as much as digits as its factorization.

22468445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493694.

The product of its digits is 61440, while the sum is 35.

The square root of 22468445 is about 4740.0891341830. The cubic root of 22468445 is about 282.1787718452.

The spelling of 22468445 in words is "twenty-two million, four hundred sixty-eight thousand, four hundred forty-five".