11899022 has 4 divisors (see below), whose sum is σ = 17848536. Its totient is φ = 5949510.

The previous prime is 11899007. The next prime is 11899049. The reversal of 11899022 is 22099811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11899022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2974754 + ... + 2974757.

It is an arithmetic number, because the mean of its divisors is an integer number (4462134).

Almost surely, 2^11899022 is an apocalyptic number.

11899022 is a deficient number, since it is larger than the sum of its proper divisors (5949514).

11899022 is an equidigital number, since it uses as much as digits as its factorization.

11899022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949513.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11899022 is about 3449.4959052012. The cubic root of 11899022 is about 228.2988668147.

The spelling of 11899022 in words is "eleven million, eight hundred ninety-nine thousand, twenty-two".