22212221112022 has 4 divisors (see below), whose sum is σ = 33318331668036. Its totient is φ = 11106110556010.

The previous prime is 22212221112001. The next prime is 22212221112043. The reversal of 22212221112022 is 22021112221222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22212221112001) and next prime (22212221112043).

It is a junction number, because it is equal to n+sod(n) for n = 22212221111984 and 22212221112002.

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, 5553055278004 + ... + 5553055278007.

It is an arithmetic number, because the mean of its divisors is an integer number (8329582917009).

Almost surely, 2^{22212221112022} is an apocalyptic number.

22212221112022 is a deficient number, since it is larger than the sum of its proper divisors (11106110556014).

22212221112022 is a wasteful number, since it uses less digits than its factorization.

22212221112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106110556013.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22212221112022 its reverse (22021112221222), we get a palindrome (44233333333244).

The spelling of 22212221112022 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand, twenty-two".