22530469 has 4 divisors (see below), whose sum is σ = 24263596. Its totient is φ = 20797344.

The previous prime is 22530467. The next prime is 22530503. The reversal of 22530469 is 96403522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6225025 + 16305444 = 2495^2 + 4038^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530469 - 2¹ = 22530467 is a prime.

It is a super-2 number, since 2×22530469² = 1015244066719922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22530469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866544 + ... + 866569.

It is an arithmetic number, because the mean of its divisors is an integer number (6065899).

Almost surely, 2^22530469 is an apocalyptic number.

It is an amenable number.

22530469 is a deficient number, since it is larger than the sum of its proper divisors (1733127).

22530469 is a wasteful number, since it uses less digits than its factorization.

22530469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733126.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 22530469 is about 4746.6271182809. The cubic root of 22530469 is about 282.4381841931.

The spelling of 22530469 in words is "twenty-two million, five hundred thirty thousand, four hundred sixty-nine".