22240131 has 8 divisors (see below), whose sum is σ = 31397904. Its totient is φ = 13954560.

The previous prime is 22240123. The next prime is 22240133. The reversal of 22240131 is 13104222.

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

It is not a de Polignac number, because 22240131 - 2³ = 22240123 is a prime.

It is a super-2 number, since 2×22240131² = 989246853794322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22240131.

It is not an unprimeable number, because it can be changed into a prime (22240133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217990 + ... + 218091.

It is an arithmetic number, because the mean of its divisors is an integer number (3924738).

Almost surely, 2^22240131 is an apocalyptic number.

22240131 is a deficient number, since it is larger than the sum of its proper divisors (9157773).

22240131 is a wasteful number, since it uses less digits than its factorization.

22240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436101.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22240131 is about 4715.9443380939. The cubic root of 22240131 is about 281.2197257290.

Adding to 22240131 its reverse (13104222), we get a palindrome (35344353).

The spelling of 22240131 in words is "twenty-two million, two hundred forty thousand, one hundred thirty-one".