22331123 has 4 divisors (see below), whose sum is σ = 22348200. Its totient is φ = 22314048.

The previous prime is 22331053. The next prime is 22331159. The reversal of 22331123 is 32113322.

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 22331123 - 2¹⁴ = 22314739 is a prime.

It is a super-2 number, since 2×22331123² = 997358108882258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331923) 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, 6398 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (5587050).

Almost surely, 2^22331123 is an apocalyptic number.

22331123 is a deficient number, since it is larger than the sum of its proper divisors (17077).

22331123 is a wasteful number, since it uses less digits than its factorization.

22331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17076.

The product of its digits is 216, while the sum is 17.

The square root of 22331123 is about 4725.5817631272. The cubic root of 22331123 is about 281.6027259752.

Adding to 22331123 its reverse (32113322), we get a palindrome (54444445).

The spelling of 22331123 in words is "twenty-two million, three hundred thirty-one thousand, one hundred twenty-three".