2214216431 has 4 divisors (see below), whose sum is σ = 2530533072. Its totient is φ = 1897899792.

The previous prime is 2214216379. The next prime is 2214216449. The reversal of 2214216431 is 1346124122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2214216431 is a prime.

It is a super-2 number, since 2×2214216431² = 9805508806620755522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2214216431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214216451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158158310 + ... + 158158323.

It is an arithmetic number, because the mean of its divisors is an integer number (632633268).

Almost surely, 2^2214216431 is an apocalyptic number.

2214216431 is a deficient number, since it is larger than the sum of its proper divisors (316316641).

2214216431 is an equidigital number, since it uses as much as digits as its factorization.

2214216431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316316640.

The product of its digits is 2304, while the sum is 26.

The square root of 2214216431 is about 47055.4612239642. The cubic root of 2214216431 is about 1303.3869141061.

The spelling of 2214216431 in words is "two billion, two hundred fourteen million, two hundred sixteen thousand, four hundred thirty-one".