22210010212 has 12 divisors (see below), whose sum is σ = 41857327036. Its totient is φ = 10250773920.

The previous prime is 22210010203. The next prime is 22210010243. The reversal of 22210010212 is 21201001222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7580140096 + 14629870116 = 87064^2 + 120954^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 22210010192 and 22210010201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213557739 + ... + 213557842.

Almost surely, 2^22210010212 is an apocalyptic number.

It is an amenable number.

22210010212 is a deficient number, since it is larger than the sum of its proper divisors (19647316824).

22210010212 is a wasteful number, since it uses less digits than its factorization.

22210010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427115598 (or 427115596 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22210010212 its reverse (21201001222), we get a palindrome (43411011434).

The spelling of 22210010212 in words is "twenty-two billion, two hundred ten million, ten thousand, two hundred twelve".