222011221308 has 24 divisors (see below), whose sum is σ = 540549061248. Its totient is φ = 70786186416.

The previous prime is 222011221307. The next prime is 222011221321. The reversal of 222011221308 is 803122110222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011221301) 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, 402193966 + ... + 402194517.

It is an arithmetic number, because the mean of its divisors is an integer number (22522877552).

Almost surely, 2^222011221308 is an apocalyptic number.

It is an amenable number.

222011221308 is an abundant number, since it is smaller than the sum of its proper divisors (318537839940).

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

222011221308 is a wasteful number, since it uses less digits than its factorization.

222011221308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804388513 (or 804388511 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 222011221308 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-one thousand, three hundred eight".