22000020222222 has 64 divisors (see below), whose sum is σ = 56927276098560. Its totient is φ = 6167121566112.

The previous prime is 22000020222203. The next prime is 22000020222241. The reversal of 22000020222222 is 22222202000022.

22000020222222 is a `hidden beast` number, since 2 + 200 + 0 + 0 + 20 + 222 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (22000020222203) and next prime (22000020222241).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22000020222195 and 22000020222204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549047058 + ... + 549087125.

It is an arithmetic number, because the mean of its divisors is an integer number (889488689040).

Almost surely, 2^{22000020222222} is an apocalyptic number.

22000020222222 is an abundant number, since it is smaller than the sum of its proper divisors (34927255876338).

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

22000020222222 is a wasteful number, since it uses less digits than its factorization.

22000020222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098134254 (or 1098134248 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22000020222222 its reverse (22222202000022), we get a palindrome (44222222222244).

The spelling of 22000020222222 in words is "twenty-two trillion, twenty million, two hundred twenty-two thousand, two hundred twenty-two".