22450131 has 12 divisors (see below), whose sum is σ = 35376120. Its totient is φ = 13606080.

The previous prime is 22450121. The next prime is 22450133. The reversal of 22450131 is 13105422.

It is not a de Polignac number, because 22450131 - 2⁷ = 22450003 is a prime.

It is a super-2 number, since 2×22450131² = 1008016763834322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22450133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113286 + ... + 113483.

It is an arithmetic number, because the mean of its divisors is an integer number (2948010).

Almost surely, 2^22450131 is an apocalyptic number.

22450131 is a deficient number, since it is larger than the sum of its proper divisors (12925989).

22450131 is a wasteful number, since it uses less digits than its factorization.

22450131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226786 (or 226783 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22450131 is about 4738.1569201537. The cubic root of 22450131 is about 282.1020831564.

Adding to 22450131 its reverse (13105422), we get a palindrome (35555553).

The spelling of 22450131 in words is "twenty-two million, four hundred fifty thousand, one hundred thirty-one".