22404101 has 4 divisors (see below), whose sum is σ = 22880832. Its totient is φ = 21927372.

The previous prime is 22404091. The next prime is 22404119. The reversal of 22404101 is 10140422.

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.

It is a cyclic number.

It is not a de Polignac number, because 22404101 - 2²² = 18209797 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 (22404131) 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, 238295 + ... + 238388.

It is an arithmetic number, because the mean of its divisors is an integer number (5720208).

Almost surely, 2^22404101 is an apocalyptic number.

It is an amenable number.

22404101 is a deficient number, since it is larger than the sum of its proper divisors (476731).

22404101 is an equidigital number, since it uses as much as digits as its factorization.

22404101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476730.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22404101 is about 4733.2970538516. The cubic root of 22404101 is about 281.9091511924.

Adding to 22404101 its reverse (10140422), we get a palindrome (32544523).

The spelling of 22404101 in words is "twenty-two million, four hundred four thousand, one hundred one".