16229949 has 8 divisors (see below), whose sum is σ = 21752832. Its totient is φ = 10763520.

The previous prime is 16229947. The next prime is 16229959. The reversal of 16229949 is 94992261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16229949 - 2¹ = 16229947 is a prime.

It is a super-2 number, since 2×16229949² = 526822489085202, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16229949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16229947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13437 + ... + 14594.

It is an arithmetic number, because the mean of its divisors is an integer number (2719104).

Almost surely, 2^16229949 is an apocalyptic number.

It is an amenable number.

16229949 is a deficient number, since it is larger than the sum of its proper divisors (5522883).

16229949 is a wasteful number, since it uses less digits than its factorization.

16229949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28227.

The product of its digits is 69984, while the sum is 42.

The square root of 16229949 is about 4028.6410860239. The cubic root of 16229949 is about 253.1856293115.

The spelling of 16229949 in words is "sixteen million, two hundred twenty-nine thousand, nine hundred forty-nine".