2220412391 has 2 divisors, whose sum is σ = 2220412392. Its totient is φ = 2220412390.

The previous prime is 2220412379. The next prime is 2220412423. The reversal of 2220412391 is 1932140222.

2220412391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220412391 - 2²⁶ = 2153303527 is a prime.

It is a super-2 number, since 2×2220412391² = 9860462372212673762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220412391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220412301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110206195 + 1110206196.

It is an arithmetic number, because the mean of its divisors is an integer number (1110206196).

Almost surely, 2^2220412391 is an apocalyptic number.

2220412391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220412391 is an equidigital number, since it uses as much as digits as its factorization.

2220412391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2220412391 is about 47121.2520101069. The cubic root of 2220412391 is about 1304.6015216884.

The spelling of 2220412391 in words is "two billion, two hundred twenty million, four hundred twelve thousand, three hundred ninety-one".