22473642 has 8 divisors (see below), whose sum is σ = 44947296. Its totient is φ = 7491212.

The previous prime is 22473601. The next prime is 22473653. The reversal of 22473642 is 24637422.

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

22473642 is an admirable 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, 1872798 + ... + 1872809.

It is an arithmetic number, because the mean of its divisors is an integer number (5618412).

Almost surely, 2^22473642 is an apocalyptic number.

22473642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22473642 is a wasteful number, since it uses less digits than its factorization.

22473642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745612.

The product of its digits is 16128, while the sum is 30.

The square root of 22473642 is about 4740.6372989293. The cubic root of 22473642 is about 282.2005263551.

The spelling of 22473642 in words is "twenty-two million, four hundred seventy-three thousand, six hundred forty-two".