22648441 has 4 divisors (see below), whose sum is σ = 23200884. Its totient is φ = 22096000.

The previous prime is 22648427. The next prime is 22648481. The reversal of 22648441 is 14484622.

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 1525225 + 21123216 = 1235^2 + 4596^2 .

It is a cyclic number.

It is not a de Polignac number, because 22648441 - 2¹³ = 22640249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22648481) 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, 276160 + ... + 276241.

It is an arithmetic number, because the mean of its divisors is an integer number (5800221).

Almost surely, 2^22648441 is an apocalyptic number.

It is an amenable number.

22648441 is a deficient number, since it is larger than the sum of its proper divisors (552443).

22648441 is an equidigital number, since it uses as much as digits as its factorization.

22648441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552442.

The product of its digits is 12288, while the sum is 31.

The square root of 22648441 is about 4759.0378229218. The cubic root of 22648441 is about 282.9302853662.

The spelling of 22648441 in words is "twenty-two million, six hundred forty-eight thousand, four hundred forty-one".