22220212202 has 16 divisors (see below), whose sum is σ = 35293714632. Its totient is φ = 10455744000.

The previous prime is 22220212199. The next prime is 22220212229. The reversal of 22220212202 is 20221202222.

It can be written as a sum of positive squares in 4 ways, for example, as 15722401321 + 6497810881 = 125389^2 + 80609^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738452 + ... + 767952.

Almost surely, 2^22220212202 is an apocalyptic number.

22220212202 is a deficient number, since it is larger than the sum of its proper divisors (13073502430).

22220212202 is a wasteful number, since it uses less digits than its factorization.

22220212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51673.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220212202 its reverse (20221202222), we get a palindrome (42441414424).

The spelling of 22220212202 in words is "twenty-two billion, two hundred twenty million, two hundred twelve thousand, two hundred two".