22202222001220 has 48 divisors (see below), whose sum is σ = 46860232608000. Its totient is φ = 8836021434240.

The previous prime is 22202222001199. The next prime is 22202222001221. The reversal of 22202222001220 is 2210022220222.

It is not an unprimeable number, because it can be changed into a prime (22202222001221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252371601 + ... + 252459559.

It is an arithmetic number, because the mean of its divisors is an integer number (976254846000).

Almost surely, 2^{22202222001220} is an apocalyptic number.

22202222001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202222001220 is an abundant number, since it is smaller than the sum of its proper divisors (24658010606780).

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

22202222001220 is a wasteful number, since it uses less digits than its factorization.

22202222001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151588 (or 151586 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22202222001220 its reverse (2210022220222), we get a palindrome (24412244221442).

The spelling of 22202222001220 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-two million, one thousand, two hundred twenty".