22488131 has 8 divisors (see below), whose sum is σ = 23133600. Its totient is φ = 21847360.

The previous prime is 22488121. The next prime is 22488143. The reversal of 22488131 is 13188422.

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-22488131 is a prime.

It is a super-2 number, since 2×22488131² = 1011432071746322, 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 = 22488094 and 22488103.

It is not an unprimeable number, because it can be changed into a prime (22488101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10010 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (2891700).

Almost surely, 2^22488131 is an apocalyptic number.

22488131 is a deficient number, since it is larger than the sum of its proper divisors (645469).

22488131 is a wasteful number, since it uses less digits than its factorization.

22488131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349.

The product of its digits is 3072, while the sum is 29.

The square root of 22488131 is about 4742.1652227648. The cubic root of 22488131 is about 282.2611592370.

The spelling of 22488131 in words is "twenty-two million, four hundred eighty-eight thousand, one hundred thirty-one".