22530501 has 64 divisors (see below), whose sum is σ = 40919040. Its totient is φ = 11975040.

The previous prime is 22530467. The next prime is 22530503. The reversal of 22530501 is 10503522.

It is a happy number.

It is not a de Polignac number, because 22530501 - 2¹¹ = 22528453 is a prime.

It is a super-2 number, since 2×22530501² = 1015246950622002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 308601 + ... + 308673.

It is an arithmetic number, because the mean of its divisors is an integer number (639360).

Almost surely, 2^22530501 is an apocalyptic number.

22530501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22530501 is a deficient number, since it is larger than the sum of its proper divisors (18388539).

22530501 is a wasteful number, since it uses less digits than its factorization.

22530501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 22530501 is about 4746.6304890943. The cubic root of 22530501 is about 282.4383179086.

The spelling of 22530501 in words is "twenty-two million, five hundred thirty thousand, five hundred one".