22324645 has 12 divisors (see below), whose sum is σ = 31163724. Its totient is φ = 15308160.

The previous prime is 22324637. The next prime is 22324657. The reversal of 22324645 is 54642322.

It can be written as a sum of positive squares in 2 ways, for example, as 13557124 + 8767521 = 3682^2 + 2961^2 .

It is not a de Polignac number, because 22324645 - 2³ = 22324637 is a prime.

It is a super-3 number, since 3×22324645³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45316 + ... + 45805.

It is an arithmetic number, because the mean of its divisors is an integer number (2596977).

Almost surely, 2^22324645 is an apocalyptic number.

It is an amenable number.

22324645 is a deficient number, since it is larger than the sum of its proper divisors (8839079).

22324645 is an equidigital number, since it uses as much as digits as its factorization.

22324645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91140 (or 91133 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 22324645 is about 4724.8962951582. The cubic root of 22324645 is about 281.5754934459.

Adding to 22324645 its reverse (54642322), we get a palindrome (76966967).

The spelling of 22324645 in words is "twenty-two million, three hundred twenty-four thousand, six hundred forty-five".