22473643 has 8 divisors (see below), whose sum is σ = 24245568. Its totient is φ = 20751744.

The previous prime is 22473601. The next prime is 22473653. The reversal of 22473643 is 34637422.

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 22473643 - 2⁹ = 22473131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22473653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11571 + ... + 13372.

It is an arithmetic number, because the mean of its divisors is an integer number (3030696).

Almost surely, 2^22473643 is an apocalyptic number.

22473643 is a deficient number, since it is larger than the sum of its proper divisors (1771925).

22473643 is a wasteful number, since it uses less digits than its factorization.

22473643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25013.

The product of its digits is 24192, while the sum is 31.

The square root of 22473643 is about 4740.6374044004. The cubic root of 22473643 is about 282.2005305407.

The spelling of 22473643 in words is "twenty-two million, four hundred seventy-three thousand, six hundred forty-three".