16422869 has 4 divisors (see below), whose sum is σ = 16436640. Its totient is φ = 16409100.

The previous prime is 16422841. The next prime is 16422877. The reversal of 16422869 is 96822461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96822461 = 19 ⋅5095919.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16422869 is a prime.

It is a super-2 number, since 2×16422869² = 539421252382322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422829) 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, 4907 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (4109160).

Almost surely, 2^16422869 is an apocalyptic number.

It is an amenable number.

16422869 is a deficient number, since it is larger than the sum of its proper divisors (13771).

16422869 is a wasteful number, since it uses less digits than its factorization.

16422869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770.

The product of its digits is 41472, while the sum is 38.

The square root of 16422869 is about 4052.5139111421. The cubic root of 16422869 is about 254.1848582996.

The spelling of 16422869 in words is "sixteen million, four hundred twenty-two thousand, eight hundred sixty-nine".