22107131 has 4 divisors (see below), whose sum is σ = 22160064. Its totient is φ = 22054200.

The previous prime is 22107121. The next prime is 22107149. The reversal of 22107131 is 13170122.

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 22107131 - 2¹⁰ = 22106107 is a prime.

It is a super-2 number, since 2×22107131² = 977450482102322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22107121) 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, 25835 + ... + 26676.

It is an arithmetic number, because the mean of its divisors is an integer number (5540016).

Almost surely, 2^22107131 is an apocalyptic number.

22107131 is a deficient number, since it is larger than the sum of its proper divisors (52933).

22107131 is an equidigital number, since it uses as much as digits as its factorization.

22107131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52932.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 22107131 is about 4701.8220936143. The cubic root of 22107131 is about 280.6580229589.

Adding to 22107131 its reverse (13170122), we get a palindrome (35277253).

The spelling of 22107131 in words is "twenty-two million, one hundred seven thousand, one hundred thirty-one".