22211222022222 has 32 divisors (see below), whose sum is σ = 46718845673472. Its totient is φ = 7026076389024.

The previous prime is 22211222022203. The next prime is 22211222022233. The reversal of 22211222022222 is 22222022211222.

It is a junction number, because it is equal to n+sod(n) for n = 22211222022192 and 22211222022201.

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, 633647373 + ... + 633682424.

It is an arithmetic number, because the mean of its divisors is an integer number (1459963927296).

Almost surely, 2^{22211222022222} is an apocalyptic number.

22211222022222 is an abundant number, since it is smaller than the sum of its proper divisors (24507623651250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22211222022222 is a wasteful number, since it uses less digits than its factorization.

22211222022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267329952.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22211222022222 its reverse (22222022211222), we get a palindrome (44433244233444).

The spelling of 22211222022222 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-two".