2299491 has 6 divisors (see below), whose sum is σ = 3321500. Its totient is φ = 1532988.

The previous prime is 2299489. The next prime is 2299499. The reversal of 2299491 is 1949922.

It is not a de Polignac number, because 2299491 - 2¹ = 2299489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2299499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127741 + ... + 127758.

2^2299491 is an apocalyptic number.

2299491 is a deficient number, since it is larger than the sum of its proper divisors (1022009).

2299491 is a wasteful number, since it uses less digits than its factorization.

2299491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255505 (or 255502 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 2299491 is about 1516.4072671944. The cubic root of 2299491 is about 131.9908740247.

The spelling of 2299491 in words is "two million, two hundred ninety-nine thousand, four hundred ninety-one".