22162427 has 32 divisors (see below), whose sum is σ = 27869184. Its totient is φ = 17222400.

The previous prime is 22162381. The next prime is 22162429. The reversal of 22162427 is 72426122.

It is a cyclic number.

It is not a de Polignac number, because 22162427 - 2¹⁴ = 22146043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22162396 and 22162405.

It is not an unprimeable number, because it can be changed into a prime (22162429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418133 + ... + 418185.

It is an arithmetic number, because the mean of its divisors is an integer number (870912).

Almost surely, 2^22162427 is an apocalyptic number.

22162427 is a deficient number, since it is larger than the sum of its proper divisors (5706757).

22162427 is a wasteful number, since it uses less digits than its factorization.

22162427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its digits is 2688, while the sum is 26.

The square root of 22162427 is about 4707.6986946915. The cubic root of 22162427 is about 280.8918290353.

Adding to 22162427 its reverse (72426122), we get a palindrome (94588549).

The spelling of 22162427 in words is "twenty-two million, one hundred sixty-two thousand, four hundred twenty-seven".