22406651 has 8 divisors (see below), whose sum is σ = 22900320. Its totient is φ = 21915712.

The previous prime is 22406627. The next prime is 22406653. The reversal of 22406651 is 15660422.

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

It is not a de Polignac number, because 22406651 - 2¹⁴ = 22390267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22406651.

It is not an unprimeable number, because it can be changed into a prime (22406653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29786 + ... + 30528.

It is an arithmetic number, because the mean of its divisors is an integer number (2862540).

Almost surely, 2^22406651 is an apocalyptic number.

22406651 is a deficient number, since it is larger than the sum of its proper divisors (493669).

22406651 is an equidigital number, since it uses as much as digits as its factorization.

22406651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22406651 is about 4733.5664144490. The cubic root of 22406651 is about 281.9198462740.

The spelling of 22406651 in words is "twenty-two million, four hundred six thousand, six hundred fifty-one".