2220991222 has 8 divisors (see below), whose sum is σ = 3333737736. Its totient is φ = 1109745312.

The previous prime is 2220991217. The next prime is 2220991229. The reversal of 2220991222 is 2221990222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220991229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371443 + ... + 377374.

It is an arithmetic number, because the mean of its divisors is an integer number (416717217).

Almost surely, 2^2220991222 is an apocalyptic number.

2220991222 is a deficient number, since it is larger than the sum of its proper divisors (1112746514).

2220991222 is a wasteful number, since it uses less digits than its factorization.

2220991222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750302.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2220991222 is about 47127.3935413364. The cubic root of 2220991222 is about 1304.7148757358.

The spelling of 2220991222 in words is "two billion, two hundred twenty million, nine hundred ninety-one thousand, two hundred twenty-two".