2231448589 has 2 divisors, whose sum is σ = 2231448590. Its totient is φ = 2231448588.

The previous prime is 2231448581. The next prime is 2231448599. The reversal of 2231448589 is 9858441322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1429596100 + 801852489 = 37810^2 + 28317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231448589 - 2³ = 2231448581 is a prime.

It is a super-3 number, since 3×2231448589³ (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 (2231448581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115724294 + 1115724295.

It is an arithmetic number, because the mean of its divisors is an integer number (1115724295).

Almost surely, 2^2231448589 is an apocalyptic number.

It is an amenable number.

2231448589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231448589 is an equidigital number, since it uses as much as digits as its factorization.

2231448589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The square root of 2231448589 is about 47238.2111113450. The cubic root of 2231448589 is about 1306.7593869530.

The spelling of 2231448589 in words is "two billion, two hundred thirty-one million, four hundred forty-eight thousand, five hundred eighty-nine".