22202001212 has 6 divisors (see below), whose sum is σ = 38853502128. Its totient is φ = 11101000604.

The previous prime is 22202001209. The next prime is 22202001287. The reversal of 22202001212 is 21210020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775250148 + ... + 2775250155.

It is an arithmetic number, because the mean of its divisors is an integer number (6475583688).

Almost surely, 2^22202001212 is an apocalyptic number.

It is an amenable number.

22202001212 is a deficient number, since it is larger than the sum of its proper divisors (16651500916).

22202001212 is a wasteful number, since it uses less digits than its factorization.

22202001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550500307 (or 5550500305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22202001212 its reverse (21210020222), we get a palindrome (43412021434).

The spelling of 22202001212 in words is "twenty-two billion, two hundred two million, one thousand, two hundred twelve".