22162241 has 4 divisors (see below), whose sum is σ = 22877184. Its totient is φ = 21447300.

The previous prime is 22162213. The next prime is 22162249. The reversal of 22162241 is 14226122.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14226122 = 2 ⋅7113061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22162241 is a prime.

It is a super-2 number, since 2×22162241² = 982329852284162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22162249) 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, 357425 + ... + 357486.

It is an arithmetic number, because the mean of its divisors is an integer number (5719296).

Almost surely, 2^22162241 is an apocalyptic number.

It is an amenable number.

22162241 is a deficient number, since it is larger than the sum of its proper divisors (714943).

22162241 is an equidigital number, since it uses as much as digits as its factorization.

22162241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714942.

The product of its digits is 384, while the sum is 20.

The square root of 22162241 is about 4707.6789397749. The cubic root of 22162241 is about 280.8910432304.

Adding to 22162241 its reverse (14226122), we get a palindrome (36388363).

The spelling of 22162241 in words is "twenty-two million, one hundred sixty-two thousand, two hundred forty-one".