22644228622 has 4 divisors (see below), whose sum is σ = 33966342936. Its totient is φ = 11322114310.

The previous prime is 22644228589. The next prime is 22644228679. The reversal of 22644228622 is 22682244622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22682244622 = 2 ⋅11341122311.

It is a super-5 number, since 5×22644228622⁵ (a number of 53 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661057154 + ... + 5661057157.

It is an arithmetic number, because the mean of its divisors is an integer number (8491585734).

Almost surely, 2^22644228622 is an apocalyptic number.

22644228622 is a deficient number, since it is larger than the sum of its proper divisors (11322114314).

22644228622 is a wasteful number, since it uses less digits than its factorization.

22644228622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322114313.

The product of its digits is 294912, while the sum is 40.

The spelling of 22644228622 in words is "twenty-two billion, six hundred forty-four million, two hundred twenty-eight thousand, six hundred twenty-two".