2022222012 has 72 divisors (see below), whose sum is σ = 5025565440. Its totient is φ = 632759040.

The previous prime is 2022222001. The next prime is 2022222023. The reversal of 2022222012 is 2102222202.

It is an interprime number because it is at equal distance from previous prime (2022222001) and next prime (2022222023).

It is a junction number, because it is equal to n+sod(n) for n = 2022221982 and 2022222000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2493087 + ... + 2493897.

It is an arithmetic number, because the mean of its divisors is an integer number (69799520).

Almost surely, 2^2022222012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512782720).

2022222012 is an abundant number, since it is smaller than the sum of its proper divisors (3003343428).

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

2022222012 is a wasteful number, since it uses less digits than its factorization.

2022222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2022222012 is about 44969.1228733672. The cubic root of 2022222012 is about 1264.5702033667.

Adding to 2022222012 its reverse (2102222202), we get a palindrome (4124444214).

The spelling of 2022222012 in words is "two billion, twenty-two million, two hundred twenty-two thousand, twelve".