22246668 has 18 divisors (see below), whose sum is σ = 56234724. Its totient is φ = 7415544.

The previous prime is 22246667. The next prime is 22246669. The reversal of 22246668 is 86664222.

It is an interprime number because it is at equal distance from previous prime (22246667) and next prime (22246669).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 617963 = 22246668 / (2 + 2 + 2 + 4 + 6 + 6 + 6 + 8).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22246667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308946 + ... + 309017.

Almost surely, 2^22246668 is an apocalyptic number.

It is an amenable number.

22246668 is an abundant number, since it is smaller than the sum of its proper divisors (33988056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22246668 is a wasteful number, since it uses less digits than its factorization.

22246668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617973 (or 617968 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 22246668 is about 4716.6373615108. The cubic root of 22246668 is about 281.2472758255.

The spelling of 22246668 in words is "twenty-two million, two hundred forty-six thousand, six hundred sixty-eight".