22412291 has 8 divisors (see below), whose sum is σ = 24515568. Its totient is φ = 20320000.

The previous prime is 22412233. The next prime is 22412297. The reversal of 22412291 is 19221422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22412291 - 2¹⁰ = 22411267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22412297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (3064446).

Almost surely, 2^22412291 is an apocalyptic number.

22412291 is a deficient number, since it is larger than the sum of its proper divisors (2103277).

22412291 is a wasteful number, since it uses less digits than its factorization.

22412291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493.

The product of its digits is 576, while the sum is 23.

The square root of 22412291 is about 4734.1621222768. The cubic root of 22412291 is about 281.9434983962.

The spelling of 22412291 in words is "twenty-two million, four hundred twelve thousand, two hundred ninety-one".