2285621579 has 2 divisors, whose sum is σ = 2285621580. Its totient is φ = 2285621578.

The previous prime is 2285621557. The next prime is 2285621581. The reversal of 2285621579 is 9751265822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2285621579 - 2¹⁶ = 2285556043 is a prime.

Together with 2285621581, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2285629579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142810789 + 1142810790.

It is an arithmetic number, because the mean of its divisors is an integer number (1142810790).

Almost surely, 2^2285621579 is an apocalyptic number.

2285621579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285621579 is an equidigital number, since it uses as much as digits as its factorization.

2285621579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 2285621579 is about 47808.1748135191. The cubic root of 2285621579 is about 1317.2497026759.

The spelling of 2285621579 in words is "two billion, two hundred eighty-five million, six hundred twenty-one thousand, five hundred seventy-nine".