22211764827 has 24 divisors (see below), whose sum is σ = 35183909376. Its totient is φ = 12422381328.

The previous prime is 22211764793. The next prime is 22211764829. The reversal of 22211764827 is 72846711222.

It is not a de Polignac number, because 22211764827 - 2⁸ = 22211764571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22211764829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1600543 + ... + 1614360.

It is an arithmetic number, because the mean of its divisors is an integer number (1465996224).

Almost surely, 2^22211764827 is an apocalyptic number.

22211764827 is a deficient number, since it is larger than the sum of its proper divisors (12972144549).

22211764827 is a wasteful number, since it uses less digits than its factorization.

22211764827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214967 (or 3214960 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The spelling of 22211764827 in words is "twenty-two billion, two hundred eleven million, seven hundred sixty-four thousand, eight hundred twenty-seven".