22022001211220 has 24 divisors (see below), whose sum is σ = 47230164301824. Its totient is φ = 8621379197216.

The previous prime is 22022001211207. The next prime is 22022001211229. The reversal of 22022001211220 is 2211210022022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022001211229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11713829492 + ... + 11713831371.

It is an arithmetic number, because the mean of its divisors is an integer number (1967923512576).

Almost surely, 2^{22022001211220} is an apocalyptic number.

22022001211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022001211220 is an abundant number, since it is smaller than the sum of its proper divisors (25208163090604).

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

22022001211220 is a wasteful number, since it uses less digits than its factorization.

22022001211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23427660919 (or 23427660917 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22022001211220 its reverse (2211210022022), we get a palindrome (24233211233242).

The spelling of 22022001211220 in words is "twenty-two trillion, twenty-two billion, one million, two hundred eleven thousand, two hundred twenty".