16222149 has 12 divisors (see below), whose sum is σ = 23486112. Its totient is φ = 10789800.

The previous prime is 16222127. The next prime is 16222211. The reversal of 16222149 is 94122261.

It is not a de Polignac number, because 16222149 - 2⁵ = 16222117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2584 + ... + 6254.

It is an arithmetic number, because the mean of its divisors is an integer number (1957176).

Almost surely, 2^16222149 is an apocalyptic number.

It is an amenable number.

16222149 is a deficient number, since it is larger than the sum of its proper divisors (7263963).

16222149 is a wasteful number, since it uses less digits than its factorization.

16222149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4165 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 16222149 is about 4027.6729013166. The cubic root of 16222149 is about 253.1450630645.

The spelling of 16222149 in words is "sixteen million, two hundred twenty-two thousand, one hundred forty-nine".