22530481 has 8 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 22201728.

The previous prime is 22530467. The next prime is 22530503. The reversal of 22530481 is 18403522.

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 22530481 - 2⁵ = 22530449 is a prime.

It is a super-2 number, since 2×22530481² = 1015245148182722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22530451) 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, 34500 + ... + 35146.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^22530481 is an apocalyptic number.

It is an amenable number.

22530481 is a deficient number, since it is larger than the sum of its proper divisors (330959).

22530481 is an equidigital number, since it uses as much as digits as its factorization.

22530481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 22530481 is about 4746.6283823362. The cubic root of 22530481 is about 282.4382343364.

The spelling of 22530481 in words is "twenty-two million, five hundred thirty thousand, four hundred eighty-one".