20222122221000 has 192 divisors, whose sum is σ = 78115169508480. Its totient is φ = 4622199350400.

The previous prime is 20222122220999. The next prime is 20222122221023. The reversal of 20222122221000 is 12222122202.

20222122221000 is a `hidden beast` number, since 202 + 221 + 22 + 221 + 0 + 0 + 0 = 666.

It is a super-4 number, since 4×20222122221000⁴ (a number of 54 digits) contains 4444 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160430034 + ... + 160556033.

It is an arithmetic number, because the mean of its divisors is an integer number (406849841190).

Almost surely, 2^{20222122221000} is an apocalyptic number.

20222122221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222122221000 is an abundant number, since it is smaller than the sum of its proper divisors (57893047287480).

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

20222122221000 is a wasteful number, since it uses less digits than its factorization.

20222122221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320986101 (or 320986084 counting only the distinct ones).

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

Adding to 20222122221000 its reverse (12222122202), we get a palindrome (20234344343202).

The spelling of 20222122221000 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand".