22329131 has 4 divisors (see below), whose sum is σ = 24359064. Its totient is φ = 20299200.

The previous prime is 22329127. The next prime is 22329173. The reversal of 22329131 is 13192322.

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 22329131 - 2² = 22329127 is a prime.

It is a super-3 number, since 3×22329131³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22329097 and 22329106.

It is not an unprimeable number, because it can be changed into a prime (22329191) 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, 1014950 + ... + 1014971.

It is an arithmetic number, because the mean of its divisors is an integer number (6089766).

Almost surely, 2^22329131 is an apocalyptic number.

22329131 is a deficient number, since it is larger than the sum of its proper divisors (2029933).

22329131 is a wasteful number, since it uses less digits than its factorization.

22329131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029932.

The product of its digits is 648, while the sum is 23.

The square root of 22329131 is about 4725.3709907265. The cubic root of 22329131 is about 281.5943524702.

It can be divided in two parts, 223291 and 31, that added together give a palindrome (223322).

The spelling of 22329131 in words is "twenty-two million, three hundred twenty-nine thousand, one hundred thirty-one".