22012212221010 has 96 divisors (see below), whose sum is σ = 62437992559488. Its totient is φ = 5336007183360.

The previous prime is 22012212220997. The next prime is 22012212221057. The reversal of 22012212221010 is 1012221221022.

It is a happy number.

22012212221010 is a `hidden beast` number, since 2 + 201 + 221 + 22 + 210 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18136059 + ... + 19311681.

It is an arithmetic number, because the mean of its divisors is an integer number (650395755828).

Almost surely, 2^{22012212221010} is an apocalyptic number.

22012212221010 is an abundant number, since it is smaller than the sum of its proper divisors (40425780338478).

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

22012212221010 is a wasteful number, since it uses less digits than its factorization.

22012212221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194560 (or 1194557 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22012212221010 its reverse (1012221221022), we get a palindrome (23024433442032).

It can be divided in two parts, 22012212 and 221010, that added together give a palindrome (22233222).

The spelling of 22012212221010 in words is "twenty-two trillion, twelve billion, two hundred twelve million, two hundred twenty-one thousand, ten".