2299489 has 2 divisors, whose sum is σ = 2299490. Its totient is φ = 2299488.

The previous prime is 2299483. The next prime is 2299499. The reversal of 2299489 is 9849922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 291600 = 1417^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2299489 - 2³ = 2299481 is a prime.

It is a super-2 number, since 2×2299489² = 10575299322242, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2299481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149744 + 1149745.

It is an arithmetic number, because the mean of its divisors is an integer number (1149745).

2^2299489 is an apocalyptic number.

It is an amenable number.

2299489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299489 is an equidigital number, since it uses as much as digits as its factorization.

2299489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 2299489 is about 1516.4066077408. The cubic root of 2299489 is about 131.9908357580.

It can be divided in two parts, 2299 and 489, that multiplied together give a palindrome (1124211).

The spelling of 2299489 in words is "two million, two hundred ninety-nine thousand, four hundred eighty-nine".