22928642 has 8 divisors (see below), whose sum is σ = 37519632. Its totient is φ = 10422100.

The previous prime is 22928629. The next prime is 22928651. The reversal of 22928642 is 24682922.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521084 + ... + 521127.

It is an arithmetic number, because the mean of its divisors is an integer number (4689954).

Almost surely, 2^22928642 is an apocalyptic number.

22928642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22928642 is a deficient number, since it is larger than the sum of its proper divisors (14590990).

22928642 is a wasteful number, since it uses less digits than its factorization.

22928642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042224.

The product of its digits is 27648, while the sum is 35.

The square root of 22928642 is about 4788.3861581957. The cubic root of 22928642 is about 284.0922879995.

The spelling of 22928642 in words is "twenty-two million, nine hundred twenty-eight thousand, six hundred forty-two".