2214321756 has 12 divisors (see below), whose sum is σ = 5166750792. Its totient is φ = 738107248.

The previous prime is 2214321713. The next prime is 2214321773. The reversal of 2214321756 is 6571234122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92263395 + ... + 92263418.

It is an arithmetic number, because the mean of its divisors is an integer number (430562566).

Almost surely, 2^2214321756 is an apocalyptic number.

It is an amenable number.

2214321756 is an abundant number, since it is smaller than the sum of its proper divisors (2952429036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2214321756 is a wasteful number, since it uses less digits than its factorization.

2214321756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184526820 (or 184526818 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 2214321756 is about 47056.5803687433. The cubic root of 2214321756 is about 1303.4075801151.

Adding to 2214321756 its reverse (6571234122), we get a palindrome (8785555878).

The spelling of 2214321756 in words is "two billion, two hundred fourteen million, three hundred twenty-one thousand, seven hundred fifty-six".