22302202212 has 36 divisors (see below), whose sum is σ = 56379963276. Its totient is φ = 7433414400.

The previous prime is 22302202211. The next prime is 22302202213. The reversal of 22302202212 is 21220220322.

22302202212 is a `hidden beast` number, since 2 + 230 + 220 + 2 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (22302202211) and next prime (22302202213).

It can be written as a sum of positive squares in 2 ways, for example, as 13491751716 + 8810450496 = 116154^2 + 93864^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (22302202211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564712 + ... + 602912.

It is an arithmetic number, because the mean of its divisors is an integer number (1566110091).

Almost surely, 2^22302202212 is an apocalyptic number.

It is an amenable number.

22302202212 is an abundant number, since it is smaller than the sum of its proper divisors (34077761064).

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

22302202212 is a wasteful number, since it uses less digits than its factorization.

22302202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54428 (or 54423 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22302202212 its reverse (21220220322), we get a palindrome (43522422534).

The spelling of 22302202212 in words is "twenty-two billion, three hundred two million, two hundred two thousand, two hundred twelve".