22321983 has 8 divisors (see below), whose sum is σ = 31056768. Its totient is φ = 14234264.

The previous prime is 22321961. The next prime is 22321991. The reversal of 22321983 is 38912322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22321983 - 2⁵ = 22321951 is a prime.

It is a super-3 number, since 3×22321983³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161685 + ... + 161822.

It is an arithmetic number, because the mean of its divisors is an integer number (3882096).

Almost surely, 2^22321983 is an apocalyptic number.

22321983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22321983 is a deficient number, since it is larger than the sum of its proper divisors (8734785).

22321983 is a wasteful number, since it uses less digits than its factorization.

22321983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323533.

The product of its digits is 5184, while the sum is 30.

The square root of 22321983 is about 4724.6145874558. The cubic root of 22321983 is about 281.5643012745.

The spelling of 22321983 in words is "twenty-two million, three hundred twenty-one thousand, nine hundred eighty-three".