22630541 has 4 divisors (see below), whose sum is σ = 22641084. Its totient is φ = 22620000.

The previous prime is 22630529. The next prime is 22630583. The reversal of 22630541 is 14503622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 15760900 = 2621^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 22630541 - 2¹⁰ = 22629517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (5660271).

Almost surely, 2^22630541 is an apocalyptic number.

It is an amenable number.

22630541 is a deficient number, since it is larger than the sum of its proper divisors (10543).

22630541 is an equidigital number, since it uses as much as digits as its factorization.

22630541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10542.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22630541 is about 4757.1568189413. The cubic root of 22630541 is about 282.8557285508.

The spelling of 22630541 in words is "twenty-two million, six hundred thirty thousand, five hundred forty-one".