2164259223 has 32 divisors (see below), whose sum is σ = 3672768000. Its totient is φ = 1233880128.

The previous prime is 2164259219. The next prime is 2164259231. The reversal of 2164259223 is 3229524612.

2164259223 is a `hidden beast` number, since 2 + 1 + 6 + 42 + 592 + 23 = 666.

It is not a de Polignac number, because 2164259223 - 2² = 2164259219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164259023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70803 + ... + 96651.

It is an arithmetic number, because the mean of its divisors is an integer number (114774000).

Almost surely, 2^2164259223 is an apocalyptic number.

2164259223 is a deficient number, since it is larger than the sum of its proper divisors (1508508777).

2164259223 is a wasteful number, since it uses less digits than its factorization.

2164259223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26308 (or 26302 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2164259223 is about 46521.5995318304. The cubic root of 2164259223 is about 1293.5099059607.

The spelling of 2164259223 in words is "two billion, one hundred sixty-four million, two hundred fifty-nine thousand, two hundred twenty-three".