22202012212 has 48 divisors (see below), whose sum is σ = 40456785600. Its totient is φ = 10648189440.

The previous prime is 22202012197. The next prime is 22202012237. The reversal of 22202012212 is 21221020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17304123 + ... + 17305405.

It is an arithmetic number, because the mean of its divisors is an integer number (842849700).

Almost surely, 2^22202012212 is an apocalyptic number.

It is an amenable number.

22202012212 is a deficient number, since it is larger than the sum of its proper divisors (18254773388).

22202012212 is a wasteful number, since it uses less digits than its factorization.

22202012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2174 counting only the distinct ones).

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

Adding to 22202012212 its reverse (21221020222), we get a palindrome (43423032434).

The spelling of 22202012212 in words is "twenty-two billion, two hundred two million, twelve thousand, two hundred twelve".