2202221220212 has 24 divisors (see below), whose sum is σ = 4212285371616. Its totient is φ = 1001239496928.

The previous prime is 2202221220163. The next prime is 2202221220299. The reversal of 2202221220212 is 2120221222022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316044338 + ... + 316051305.

It is an arithmetic number, because the mean of its divisors is an integer number (175511890484).

Almost surely, 2^{2202221220212} is an apocalyptic number.

It is an amenable number.

2202221220212 is a deficient number, since it is larger than the sum of its proper divisors (2010064151404).

2202221220212 is a wasteful number, since it uses less digits than its factorization.

2202221220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632095727 (or 632095725 counting only the distinct ones).

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

Adding to 2202221220212 its reverse (2120221222022), we get a palindrome (4322442442234).

The spelling of 2202221220212 in words is "two trillion, two hundred two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twelve".