2216220124831 has 4 divisors (see below), whose sum is σ = 2225897942200. Its totient is φ = 2206542307464.

The previous prime is 2216220124793. The next prime is 2216220124891. The reversal of 2216220124831 is 1384210226122.

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

It is a cyclic number.

It is not a de Polignac number, because 2216220124831 - 2¹³ = 2216220116639 is a prime.

It is a super-2 number, since 2×2216220124831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216220124891) 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, 4838908341 + ... + 4838908798.

It is an arithmetic number, because the mean of its divisors is an integer number (556474485550).

Almost surely, 2^{2216220124831} is an apocalyptic number.

2216220124831 is a deficient number, since it is larger than the sum of its proper divisors (9677817369).

2216220124831 is an equidigital number, since it uses as much as digits as its factorization.

2216220124831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677817368.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 2216220124831 in words is "two trillion, two hundred sixteen billion, two hundred twenty million, one hundred twenty-four thousand, eight hundred thirty-one".