22068442 has 8 divisors (see below), whose sum is σ = 36112032. Its totient is φ = 10031100.

The previous prime is 22068379. The next prime is 22068451. The reversal of 22068442 is 24486022.

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

It is a super-2 number, since 2×22068442² = 974032264614728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22068442.

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, 501534 + ... + 501577.

It is an arithmetic number, because the mean of its divisors is an integer number (4514004).

Almost surely, 2^22068442 is an apocalyptic number.

22068442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22068442 is a deficient number, since it is larger than the sum of its proper divisors (14043590).

22068442 is a wasteful number, since it uses less digits than its factorization.

22068442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003124.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 22068442 is about 4697.7060359286. The cubic root of 22068442 is about 280.4942037412.

It can be divided in two parts, 2206 and 8442, that added together give a cube (10648 = 22³).

The spelling of 22068442 in words is "twenty-two million, sixty-eight thousand, four hundred forty-two".