2216523254 has 24 divisors (see below), whose sum is σ = 3663879744. Its totient is φ = 1004929200.

The previous prime is 2216523241. The next prime is 2216523277. The reversal of 2216523254 is 4523256122.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216523254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84539 + ... + 107609.

It is an arithmetic number, because the mean of its divisors is an integer number (152661656).

Almost surely, 2^2216523254 is an apocalyptic number.

2216523254 is a deficient number, since it is larger than the sum of its proper divisors (1447356490).

2216523254 is a wasteful number, since it uses less digits than its factorization.

2216523254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23492 (or 23481 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 2216523254 is about 47079.9665887732. The cubic root of 2216523254 is about 1303.8393901045.

Adding to 2216523254 its reverse (4523256122), we get a palindrome (6739779376).

The spelling of 2216523254 in words is "two billion, two hundred sixteen million, five hundred twenty-three thousand, two hundred fifty-four".