22531413 has 8 divisors (see below), whose sum is σ = 30608928. Its totient is φ = 14737424.

The previous prime is 22531393. The next prime is 22531417. The reversal of 22531413 is 31413522.

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 22531413 - 2⁵ = 22531381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22531413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22531417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70695 + ... + 71012.

It is an arithmetic number, because the mean of its divisors is an integer number (3826116).

Almost surely, 2^22531413 is an apocalyptic number.

It is an amenable number.

22531413 is a deficient number, since it is larger than the sum of its proper divisors (8077515).

22531413 is a wasteful number, since it uses less digits than its factorization.

22531413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141763.

The product of its digits is 720, while the sum is 21.

The square root of 22531413 is about 4746.7265562701. The cubic root of 22531413 is about 282.4421287466.

Adding to 22531413 its reverse (31413522), we get a palindrome (53944935).

The spelling of 22531413 in words is "twenty-two million, five hundred thirty-one thousand, four hundred thirteen".