22319983 has 4 divisors (see below), whose sum is σ = 25508560. Its totient is φ = 19131408.

The previous prime is 22319981. The next prime is 22319993. The reversal of 22319983 is 38991322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22319983 - 2¹ = 22319981 is a prime.

It is a super-3 number, since 3×22319983³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22319981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594278 + ... + 1594291.

It is an arithmetic number, because the mean of its divisors is an integer number (6377140).

Almost surely, 2^22319983 is an apocalyptic number.

22319983 is a deficient number, since it is larger than the sum of its proper divisors (3188577).

22319983 is an equidigital number, since it uses as much as digits as its factorization.

22319983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188576.

The product of its digits is 23328, while the sum is 37.

The square root of 22319983 is about 4724.4029252383. The cubic root of 22319983 is about 281.5558918451. Note that the first 3 decimals are identical.

The spelling of 22319983 in words is "twenty-two million, three hundred nineteen thousand, nine hundred eighty-three".