22010212 has 18 divisors (see below), whose sum is σ = 44806902. Its totient is φ = 9432864.

The previous prime is 22010201. The next prime is 22010231. The reversal of 22010212 is 21201022.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 3896676 = 4256^2 + 1974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55953 + ... + 56344.

Almost surely, 2^22010212 is an apocalyptic number.

It is an amenable number.

22010212 is an abundant number, since it is smaller than the sum of its proper divisors (22796690).

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

22010212 is a wasteful number, since it uses less digits than its factorization.

22010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112315 (or 112306 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22010212 is about 4691.5042363830. The cubic root of 22010212 is about 280.2472815494.

Adding to 22010212 its reverse (21201022), we get a palindrome (43211234).

It can be divided in two parts, 22010 and 212, that added together give a palindrome (22222).

The spelling of 22010212 in words is "twenty-two million, ten thousand, two hundred twelve".