22032131 has 8 divisors (see below), whose sum is σ = 24685104. Its totient is φ = 19487520.

The previous prime is 22032121. The next prime is 22032133. The reversal of 22032131 is 13123022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22032131 is a prime.

It is a super-2 number, since 2×22032131² = 970829592802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22032133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26660 + ... + 27473.

It is an arithmetic number, because the mean of its divisors is an integer number (3085638).

Almost surely, 2^22032131 is an apocalyptic number.

22032131 is a deficient number, since it is larger than the sum of its proper divisors (2652973).

22032131 is a wasteful number, since it uses less digits than its factorization.

22032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54181.

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

The square root of 22032131 is about 4693.8396862270. The cubic root of 22032131 is about 280.3402793239.

Adding to 22032131 its reverse (13123022), we get a palindrome (35155153).

It can be divided in two parts, 2203 and 2131, that added together give a palindrome (4334).

The spelling of 22032131 in words is "twenty-two million, thirty-two thousand, one hundred thirty-one".