2221202021222 has 16 divisors (see below), whose sum is σ = 3507197840640. Its totient is φ = 1052137299528.

The previous prime is 2221202021221. The next prime is 2221202021243.

2221202021222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2221202021194 and 2221202021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221202021221) 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, 4246223 + ... + 4740549.

It is an arithmetic number, because the mean of its divisors is an integer number (219199865040).

Almost surely, 2^{2221202021222} is an apocalyptic number.

2221202021222 is a deficient number, since it is larger than the sum of its proper divisors (1285995819418).

2221202021222 is a wasteful number, since it uses less digits than its factorization.

2221202021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612595.

The product of its (nonzero) digits is 512, while the sum is 20.

The spelling of 2221202021222 in words is "two trillion, two hundred twenty-one billion, two hundred two million, twenty-one thousand, two hundred twenty-two".