4022212266 has 24 divisors (see below), whose sum is σ = 8857661124. Its totient is φ = 1318757760.

The previous prime is 4022212261. The next prime is 4022212297. The reversal of 4022212266 is 6622122204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2514521025 + 1507691241 = 50145^2 + 38829^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4022212261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1830511 + ... + 1832706.

Almost surely, 2^4022212266 is an apocalyptic number.

4022212266 is an abundant number, since it is smaller than the sum of its proper divisors (4835448858).

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

4022212266 is a wasteful number, since it uses less digits than its factorization.

4022212266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663286 (or 3663283 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4022212266 is about 63420.9134749729. The cubic root of 4022212266 is about 1590.3339443347. Note that the first 3 decimals are identical.

The spelling of 4022212266 in words is "four billion, twenty-two million, two hundred twelve thousand, two hundred sixty-six".