22022202012 has 48 divisors (see below), whose sum is σ = 54005118720. Its totient is φ = 6971044608.

The previous prime is 22022202001. The next prime is 22022202043. The reversal of 22022202012 is 21020222022.

It is a junction number, because it is equal to n+sod(n) for n = 22022201982 and 22022202000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248653 + ... + 325380.

It is an arithmetic number, because the mean of its divisors is an integer number (1125106640).

Almost surely, 2^22022202012 is an apocalyptic number.

It is an amenable number.

22022202012 is an abundant number, since it is smaller than the sum of its proper divisors (31982916708).

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

22022202012 is a wasteful number, since it uses less digits than its factorization.

22022202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574202 (or 574200 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22022202012 its reverse (21020222022), we get a palindrome (43042424034).

The spelling of 22022202012 in words is "twenty-two billion, twenty-two million, two hundred two thousand, twelve".