22204441 has 4 divisors (see below), whose sum is σ = 25376512. Its totient is φ = 19032372.

The previous prime is 22204439. The next prime is 22204447. The reversal of 22204441 is 14440222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14440222 = 2 ⋅7220111.

It is a cyclic number.

It is not a de Polignac number, because 22204441 - 2¹ = 22204439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22204447) 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, 1586025 + ... + 1586038.

It is an arithmetic number, because the mean of its divisors is an integer number (6344128).

Almost surely, 2^22204441 is an apocalyptic number.

It is an amenable number.

22204441 is a deficient number, since it is larger than the sum of its proper divisors (3172071).

22204441 is an equidigital number, since it uses as much as digits as its factorization.

22204441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172070.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 22204441 is about 4712.1588470679. The cubic root of 22204441 is about 281.0692154399.

Adding to 22204441 its reverse (14440222), we get a palindrome (36644663).

It can be divided in two parts, 2220 and 4441, that multiplied together give a triangular number (9859020 = T₄₄₄₀).

The spelling of 22204441 in words is "twenty-two million, two hundred four thousand, four hundred forty-one".