2164045222 has 16 divisors (see below), whose sum is σ = 3287016432. Its totient is φ = 1068387840.

The previous prime is 2164045217. The next prime is 2164045237. The reversal of 2164045222 is 2225404612.

2164045222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2164045222² = 9366183445722058568, which contains 22 as substring.

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, 515998 + ... + 520174.

It is an arithmetic number, because the mean of its divisors is an integer number (205438527).

Almost surely, 2^2164045222 is an apocalyptic number.

2164045222 is a deficient number, since it is larger than the sum of its proper divisors (1122971210).

2164045222 is a wasteful number, since it uses less digits than its factorization.

2164045222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2164045222 is about 46519.2994573220. The cubic root of 2164045222 is about 1293.4672706586.

Adding to 2164045222 its reverse (2225404612), we get a palindrome (4389449834).

The spelling of 2164045222 in words is "two billion, one hundred sixty-four million, forty-five thousand, two hundred twenty-two".