22641445 has 8 divisors (see below), whose sum is σ = 28599840. Its totient is φ = 17159760.

The previous prime is 22641419. The next prime is 22641457. The reversal of 22641445 is 54414622.

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

It is not a de Polignac number, because 22641445 - 2⁷ = 22641317 is a prime.

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, 119071 + ... + 119260.

It is an arithmetic number, because the mean of its divisors is an integer number (3574980).

Almost surely, 2^22641445 is an apocalyptic number.

It is an amenable number.

22641445 is a deficient number, since it is larger than the sum of its proper divisors (5958395).

22641445 is a wasteful number, since it uses less digits than its factorization.

22641445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238355.

The product of its digits is 7680, while the sum is 28.

The square root of 22641445 is about 4758.3027436261. The cubic root of 22641445 is about 282.9011504084.

The spelling of 22641445 in words is "twenty-two million, six hundred forty-one thousand, four hundred forty-five".