22321063 has 4 divisors (see below), whose sum is σ = 23291568. Its totient is φ = 21350560.

The previous prime is 22321043. The next prime is 22321069. The reversal of 22321063 is 36012322.

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 22321063 - 2¹⁷ = 22189991 is a prime.

It is a super-3 number, since 3×22321063³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22321063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321069) 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, 485218 + ... + 485263.

It is an arithmetic number, because the mean of its divisors is an integer number (5822892).

Almost surely, 2^22321063 is an apocalyptic number.

22321063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22321063 is a deficient number, since it is larger than the sum of its proper divisors (970505).

22321063 is an equidigital number, since it uses as much as digits as its factorization.

22321063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970504.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 22321063 is about 4724.5172240135. The cubic root of 22321063 is about 281.5604329994.

Adding to 22321063 its reverse (36012322), we get a palindrome (58333385).

The spelling of 22321063 in words is "twenty-two million, three hundred twenty-one thousand, sixty-three".