22423645642 has 8 divisors (see below), whose sum is σ = 33647792832. Its totient is φ = 11207714700.

The previous prime is 22423645603. The next prime is 22423645661. The reversal of 22423645642 is 24654632422.

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

It is a junction number, because it is equal to n+sod(n) for n = 22423645595 and 22423645604.

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, 2047234 + ... + 2058157.

It is an arithmetic number, because the mean of its divisors is an integer number (4205974104).

Almost surely, 2^22423645642 is an apocalyptic number.

22423645642 is a deficient number, since it is larger than the sum of its proper divisors (11224147190).

22423645642 is a wasteful number, since it uses less digits than its factorization.

22423645642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108124.

The product of its digits is 552960, while the sum is 40.

The spelling of 22423645642 in words is "twenty-two billion, four hundred twenty-three million, six hundred forty-five thousand, six hundred forty-two".