2217921022 has 4 divisors (see below), whose sum is σ = 3326881536. Its totient is φ = 1108960510.

The previous prime is 2217921019. The next prime is 2217921059. The reversal of 2217921022 is 2201297122.

2217921022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554480254 + ... + 554480257.

It is an arithmetic number, because the mean of its divisors is an integer number (831720384).

Almost surely, 2^2217921022 is an apocalyptic number.

2217921022 is a deficient number, since it is larger than the sum of its proper divisors (1108960514).

2217921022 is a wasteful number, since it uses less digits than its factorization.

2217921022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108960513.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2217921022 is about 47094.8088646721. The cubic root of 2217921022 is about 1304.1134051290.

The spelling of 2217921022 in words is "two billion, two hundred seventeen million, nine hundred twenty-one thousand, twenty-two".