2199469 has 4 divisors (see below), whose sum is σ = 2208096. Its totient is φ = 2190844.

The previous prime is 2199433. The next prime is 2199479. The reversal of 2199469 is 9649912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2199469 - 2¹¹ = 2197421 is a prime.

It is a super-2 number, since 2×2199469² = 9675327763922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3919 + ... + 4444.

It is an arithmetic number, because the mean of its divisors is an integer number (552024).

2^2199469 is an apocalyptic number.

It is an amenable number.

2199469 is a deficient number, since it is larger than the sum of its proper divisors (8627).

2199469 is an equidigital number, since it uses as much as digits as its factorization.

2199469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626.

The product of its digits is 34992, while the sum is 40.

The square root of 2199469 is about 1483.0606865533. The cubic root of 2199469 is about 130.0486799938.

The spelling of 2199469 in words is "two million, one hundred ninety-nine thousand, four hundred sixty-nine".