2222422644 has 24 divisors (see below), whose sum is σ = 5584549600. Its totient is φ = 683822304.

The previous prime is 2222422613. The next prime is 2222422661. The reversal of 2222422644 is 4462242222.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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, 7122994 + ... + 7123305.

Almost surely, 2^2222422644 is an apocalyptic number.

It is an amenable number.

2222422644 is an abundant number, since it is smaller than the sum of its proper divisors (3362126956).

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

2222422644 is a wasteful number, since it uses less digits than its factorization.

2222422644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14246319 (or 14246317 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 2222422644 is about 47142.5778251466. The cubic root of 2222422644 is about 1304.9951104469.

Adding to 2222422644 its reverse (4462242222), we get a palindrome (6684664866).

The spelling of 2222422644 in words is "two billion, two hundred twenty-two million, four hundred twenty-two thousand, six hundred forty-four".