22132031 has 4 divisors (see below), whose sum is σ = 22730232. Its totient is φ = 21533832.

The previous prime is 22132027. The next prime is 22132037. The reversal of 22132031 is 13023122.

It is a happy number.

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 22132031 - 2² = 22132027 is a prime.

It is a super-2 number, since 2×22132031² = 979653592369922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22131997 and 22132015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132037) 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, 299045 + ... + 299118.

It is an arithmetic number, because the mean of its divisors is an integer number (5682558).

Almost surely, 2^22132031 is an apocalyptic number.

22132031 is a deficient number, since it is larger than the sum of its proper divisors (598201).

22132031 is an equidigital number, since it uses as much as digits as its factorization.

22132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598200.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22132031 is about 4704.4692580566. The cubic root of 22132031 is about 280.7633549242.

Adding to 22132031 its reverse (13023122), we get a palindrome (35155153).

The spelling of 22132031 in words is "twenty-two million, one hundred thirty-two thousand, thirty-one".