22202021012 has 12 divisors (see below), whose sum is σ = 41139039060. Its totient is φ = 10448009856.

The previous prime is 22202020969. The next prime is 22202021081. The reversal of 22202021012 is 21012020222.

It can be written as a sum of positive squares in 2 ways, for example, as 17491120516 + 4710900496 = 132254^2 + 68636^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 163250087 + ... + 163250222.

It is an arithmetic number, because the mean of its divisors is an integer number (3428253255).

Almost surely, 2^22202021012 is an apocalyptic number.

It is an amenable number.

22202021012 is a deficient number, since it is larger than the sum of its proper divisors (18937018048).

22202021012 is a wasteful number, since it uses less digits than its factorization.

22202021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326500330 (or 326500328 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22202021012 its reverse (21012020222), we get a palindrome (43214041234).

It can be divided in two parts, 222020210 and 12, that added together give a palindrome (222020222).

The spelling of 22202021012 in words is "twenty-two billion, two hundred two million, twenty-one thousand, twelve".