22202201212 has 24 divisors (see below), whose sum is σ = 41453430480. Its totient is φ = 10368334080.

The previous prime is 22202201143. The next prime is 22202201261. The reversal of 22202201212 is 21210220222.

It is a congruent number.

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, 1237287 + ... + 1255102.

It is an arithmetic number, because the mean of its divisors is an integer number (1727226270).

Almost surely, 2^22202201212 is an apocalyptic number.

It is an amenable number.

22202201212 is a deficient number, since it is larger than the sum of its proper divisors (19251229268).

22202201212 is a wasteful number, since it uses less digits than its factorization.

22202201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492541 (or 2492539 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22202201212 its reverse (21210220222), we get a palindrome (43412421434).

The spelling of 22202201212 in words is "twenty-two billion, two hundred two million, two hundred one thousand, two hundred twelve".