22256042 has 8 divisors (see below), whose sum is σ = 34835616. Its totient is φ = 10644172.

The previous prime is 22256029. The next prime is 22256063. The reversal of 22256042 is 24065222.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 22255999 and 22256017.

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, 241868 + ... + 241959.

It is an arithmetic number, because the mean of its divisors is an integer number (4354452).

Almost surely, 2^22256042 is an apocalyptic number.

22256042 is a deficient number, since it is larger than the sum of its proper divisors (12579574).

22256042 is a wasteful number, since it uses less digits than its factorization.

22256042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483852.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22256042 is about 4717.6309732746. The cubic root of 22256042 is about 281.2867730025.

The spelling of 22256042 in words is "twenty-two million, two hundred fifty-six thousand, forty-two".