2224645991 has 2 divisors, whose sum is σ = 2224645992. Its totient is φ = 2224645990.

The previous prime is 2224645967. The next prime is 2224646041. The reversal of 2224645991 is 1995464222.

2224645991 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 2224645991 - 2¹⁴ = 2224629607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224645921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112322995 + 1112322996.

It is an arithmetic number, because the mean of its divisors is an integer number (1112322996).

Almost surely, 2^2224645991 is an apocalyptic number.

2224645991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224645991 is an equidigital number, since it uses as much as digits as its factorization.

2224645991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 2224645991 is about 47166.1530231161. The cubic root of 2224645991 is about 1305.4301447032.

The spelling of 2224645991 in words is "two billion, two hundred twenty-four million, six hundred forty-five thousand, nine hundred ninety-one".