22104331 has 2 divisors, whose sum is σ = 22104332. Its totient is φ = 22104330.

The previous prime is 22104319. The next prime is 22104337. The reversal of 22104331 is 13340122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22104331 - 2¹⁵ = 22071563 is a prime.

It is a super-2 number, since 2×22104331² = 977202897915122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22104337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11052165 + 11052166.

It is an arithmetic number, because the mean of its divisors is an integer number (11052166).

Almost surely, 2^22104331 is an apocalyptic number.

22104331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22104331 is an equidigital number, since it uses as much as digits as its factorization.

22104331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22104331 is about 4701.5243272794. The cubic root of 22104331 is about 280.6461734544.

Adding to 22104331 its reverse (13340122), we get a palindrome (35444453).

The spelling of 22104331 in words is "twenty-two million, one hundred four thousand, three hundred thirty-one".