22404053 has 4 divisors (see below), whose sum is σ = 25604640. Its totient is φ = 19203468.

The previous prime is 22403987. The next prime is 22404061. The reversal of 22404053 is 35040422.

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: 35040422 = 2 ⋅17520211.

It is a cyclic number.

It is not a de Polignac number, because 22404053 - 2¹⁴ = 22387669 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 (22404073) 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, 1600283 + ... + 1600296.

It is an arithmetic number, because the mean of its divisors is an integer number (6401160).

Almost surely, 2^22404053 is an apocalyptic number.

It is an amenable number.

22404053 is a deficient number, since it is larger than the sum of its proper divisors (3200587).

22404053 is an equidigital number, since it uses as much as digits as its factorization.

22404053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200586.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22404053 is about 4733.2919833875. The cubic root of 22404053 is about 281.9089498655.

Adding to 22404053 its reverse (35040422), we get a palindrome (57444475).

The spelling of 22404053 in words is "twenty-two million, four hundred four thousand, fifty-three".