2122220212 has 48 divisors (see below), whose sum is σ = 4433909760. Its totient is φ = 869010912.

The previous prime is 2122220209. The next prime is 2122220239. The reversal of 2122220212 is 2120222212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015833 + ... + 1017919.

It is an arithmetic number, because the mean of its divisors is an integer number (92373120).

Almost surely, 2^2122220212 is an apocalyptic number.

It is an amenable number.

2122220212 is an abundant number, since it is smaller than the sum of its proper divisors (2311689548).

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

2122220212 is a wasteful number, since it uses less digits than its factorization.

2122220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2122220212 is about 46067.5613854261. The cubic root of 2122220212 is about 1285.0799532380.

Adding to 2122220212 its reverse (2120222212), we get a palindrome (4242442424).

The spelling of 2122220212 in words is "two billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twelve".