22000021200222 has 48 divisors (see below), whose sum is σ = 48452559108480. Its totient is φ = 6654504438816.

The previous prime is 22000021200221. The next prime is 22000021200257. The reversal of 22000021200222 is 22200212000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000021200221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183806898 + ... + 183926549.

It is an arithmetic number, because the mean of its divisors is an integer number (1009428314760).

Almost surely, 2^{22000021200222} is an apocalyptic number.

22000021200222 is an abundant number, since it is smaller than the sum of its proper divisors (26452537908258).

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

22000021200222 is a wasteful number, since it uses less digits than its factorization.

22000021200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367733537 (or 367733524 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22000021200222 its reverse (22200212000022), we get a palindrome (44200233200244).

The spelling of 22000021200222 in words is "twenty-two trillion, twenty-one million, two hundred thousand, two hundred twenty-two".