22531417 has 2 divisors, whose sum is σ = 22531418. Its totient is φ = 22531416.

The previous prime is 22531393. The next prime is 22531433. The reversal of 22531417 is 71413522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17774656 + 4756761 = 4216^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 22531417 - 2¹⁵ = 22498649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22531391 and 22531400.

It is not a weakly prime, because it can be changed into another prime (22531217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265708 + 11265709.

It is an arithmetic number, because the mean of its divisors is an integer number (11265709).

Almost surely, 2^22531417 is an apocalyptic number.

It is an amenable number.

22531417 is a deficient number, since it is larger than the sum of its proper divisors (1).

22531417 is an equidigital number, since it uses as much as digits as its factorization.

22531417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 22531417 is about 4746.7269776131. The cubic root of 22531417 is about 282.4421454606.

Adding to 22531417 its reverse (71413522), we get a palindrome (93944939).

The spelling of 22531417 in words is "twenty-two million, five hundred thirty-one thousand, four hundred seventeen".