2219162164 has 6 divisors (see below), whose sum is σ = 3883533794. Its totient is φ = 1109581080.

The previous prime is 2219162161. The next prime is 2219162207. The reversal of 2219162164 is 4612619122.

It can be written as a sum of positive squares in only one way, i.e., 2142949264 + 76212900 = 46292^2 + 8730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219162161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277395267 + ... + 277395274.

Almost surely, 2^2219162164 is an apocalyptic number.

It is an amenable number.

2219162164 is a deficient number, since it is larger than the sum of its proper divisors (1664371630).

2219162164 is a wasteful number, since it uses less digits than its factorization.

2219162164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554790545 (or 554790543 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 2219162164 is about 47107.9840791346. The cubic root of 2219162164 is about 1304.3566190935.

The spelling of 2219162164 in words is "two billion, two hundred nineteen million, one hundred sixty-two thousand, one hundred sixty-four".