22221211023 has 48 divisors (see below), whose sum is σ = 35675577600. Its totient is φ = 13215312000.

The previous prime is 22221210997. The next prime is 22221211063. The reversal of 22221211023 is 32011212222.

It is not a de Polignac number, because 22221211023 - 2¹⁰ = 22221209999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221210987 and 22221211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221211063) 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 47 ways as a sum of consecutive naturals, for example, 1430448 + ... + 1445898.

It is an arithmetic number, because the mean of its divisors is an integer number (743241200).

Almost surely, 2^22221211023 is an apocalyptic number.

22221211023 is a deficient number, since it is larger than the sum of its proper divisors (13454366577).

22221211023 is a wasteful number, since it uses less digits than its factorization.

22221211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740 (or 15737 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22221211023 its reverse (32011212222), we get a palindrome (54232423245).

The spelling of 22221211023 in words is "twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, twenty-three".