22022022020212 has 48 divisors (see below), whose sum is σ = 38969365050000. Its totient is φ = 10888332263424.

The previous prime is 22022022020191. The next prime is 22022022020309. The reversal of 22022022020212 is 21202022022022.

It can be written as a sum of positive squares in 8 ways, for example, as 5992136077456 + 16029885942756 = 2447884^2 + 4003734^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22022022020212.

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, 820204164 + ... + 820231012.

It is an arithmetic number, because the mean of its divisors is an integer number (811861771875).

Almost surely, 2^{22022022020212} is an apocalyptic number.

It is an amenable number.

22022022020212 is a deficient number, since it is larger than the sum of its proper divisors (16947343029788).

22022022020212 is a wasteful number, since it uses less digits than its factorization.

22022022020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30628 (or 30626 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22022022020212 its reverse (21202022022022), we get a palindrome (43224044042234).

The spelling of 22022022020212 in words is "twenty-two trillion, twenty-two billion, twenty-two million, twenty thousand, two hundred twelve".