2220211992 has 32 divisors (see below), whose sum is σ = 5685911280. Its totient is φ = 722019840.

The previous prime is 2220211979. The next prime is 2220212017. The reversal of 2220211992 is 2991120222.

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, 1127173 + ... + 1129140.

Almost surely, 2^2220211992 is an apocalyptic number.

It is an amenable number.

2220211992 is an abundant number, since it is smaller than the sum of its proper divisors (3465699288).

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

2220211992 is a wasteful number, since it uses less digits than its factorization.

2220211992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256363 (or 2256359 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2220211992 is about 47119.1255436686. The cubic root of 2220211992 is about 1304.5622724169.

The spelling of 2220211992 in words is "two billion, two hundred twenty million, two hundred eleven thousand, nine hundred ninety-two".