22242131 has 8 divisors (see below), whose sum is σ = 22889328. Its totient is φ = 21600000.

The previous prime is 22242109. The next prime is 22242161. The reversal of 22242131 is 13124222.

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

It is a cyclic number.

It is not a de Polignac number, because 22242131 - 2¹⁴ = 22225747 is a prime.

It is a super-2 number, since 2×22242131² = 989424782842322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22242161) 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, 8756 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (2861166).

Almost surely, 2^22242131 is an apocalyptic number.

22242131 is a deficient number, since it is larger than the sum of its proper divisors (647197).

22242131 is a wasteful number, since it uses less digits than its factorization.

22242131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533.

The product of its digits is 192, while the sum is 17.

The square root of 22242131 is about 4716.1563799348. The cubic root of 22242131 is about 281.2281552746.

Adding to 22242131 its reverse (13124222), we get a palindrome (35366353).

The spelling of 22242131 in words is "twenty-two million, two hundred forty-two thousand, one hundred thirty-one".