22042221244 has 24 divisors (see below), whose sum is σ = 38981281248. Its totient is φ = 10904893440.

The previous prime is 22042221239. The next prime is 22042221277. The reversal of 22042221244 is 44212224022.

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, 479424 + ... + 523384.

It is an arithmetic number, because the mean of its divisors is an integer number (1624220052).

Almost surely, 2^22042221244 is an apocalyptic number.

It is an amenable number.

22042221244 is a deficient number, since it is larger than the sum of its proper divisors (16939060004).

22042221244 is a wasteful number, since it uses less digits than its factorization.

22042221244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45285 (or 45283 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22042221244 its reverse (44212224022), we get a palindrome (66254445266).

The spelling of 22042221244 in words is "twenty-two billion, forty-two million, two hundred twenty-one thousand, two hundred forty-four".