22022001221022 has 96 divisors (see below), whose sum is σ = 54487876884480. Its totient is φ = 6367106088000.

The previous prime is 22022001221009. The next prime is 22022001221023. The reversal of 22022001221022 is 22012210022022.

22022001221022 is a `hidden beast` number, since 220 + 2 + 200 + 1 + 221 + 0 + 22 = 666.

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 = 22022001220986 and 22022001221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022001221023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24830497 + ... + 25702092.

It is an arithmetic number, because the mean of its divisors is an integer number (567582050880).

Almost surely, 2^{22022001221022} is an apocalyptic number.

22022001221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22022001221022 is an abundant number, since it is smaller than the sum of its proper divisors (32465875663458).

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

22022001221022 is a wasteful number, since it uses less digits than its factorization.

22022001221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50532710 (or 50532707 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022001221022 its reverse (22012210022022), we get a palindrome (44034211243044).

The spelling of 22022001221022 in words is "twenty-two trillion, twenty-two billion, one million, two hundred twenty-one thousand, twenty-two".