22210021412 has 12 divisors (see below), whose sum is σ = 38902341660. Its totient is φ = 11095066656.

The previous prime is 22210021411. The next prime is 22210021417. The reversal of 22210021412 is 21412001222.

It can be written as a sum of positive squares in 2 ways, for example, as 1662519076 + 20547502336 = 40774^2 + 143344^2 .

It is a super-2 number, since 2×22210021412² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22210021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2480987 + ... + 2489922.

It is an arithmetic number, because the mean of its divisors is an integer number (3241861805).

Almost surely, 2^22210021412 is an apocalyptic number.

It is an amenable number.

22210021412 is a deficient number, since it is larger than the sum of its proper divisors (16692320248).

22210021412 is a wasteful number, since it uses less digits than its factorization.

22210021412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972030 (or 4972028 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22210021412 its reverse (21412001222), we get a palindrome (43622022634).

The spelling of 22210021412 in words is "twenty-two billion, two hundred ten million, twenty-one thousand, four hundred twelve".