22469537 has 2 divisors, whose sum is σ = 22469538. Its totient is φ = 22469536.

The previous prime is 22469527. The next prime is 22469539. The reversal of 22469537 is 73596422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14409616 + 8059921 = 3796^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 22469537 - 2¹⁰ = 22468513 is a prime.

Together with 22469539, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22469537.

It is not a weakly prime, because it can be changed into another prime (22469539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11234768 + 11234769.

It is an arithmetic number, because the mean of its divisors is an integer number (11234769).

Almost surely, 2^22469537 is an apocalyptic number.

It is an amenable number.

22469537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22469537 is an equidigital number, since it uses as much as digits as its factorization.

22469537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 22469537 is about 4740.2043204908. The cubic root of 22469537 is about 282.1833432078.

The spelling of 22469537 in words is "twenty-two million, four hundred sixty-nine thousand, five hundred thirty-seven".