2216390471 has 2 divisors, whose sum is σ = 2216390472. Its totient is φ = 2216390470.

The previous prime is 2216390467. The next prime is 2216390479. The reversal of 2216390471 is 1740936122.

2216390471 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 2216390471 - 2² = 2216390467 is a prime.

It is a super-3 number, since 3×2216390471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216390479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108195235 + 1108195236.

It is an arithmetic number, because the mean of its divisors is an integer number (1108195236).

Almost surely, 2^2216390471 is an apocalyptic number.

2216390471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216390471 is an equidigital number, since it uses as much as digits as its factorization.

2216390471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2216390471 is about 47078.5563818603. The cubic root of 2216390471 is about 1303.8133536587.

The spelling of 2216390471 in words is "two billion, two hundred sixteen million, three hundred ninety thousand, four hundred seventy-one".