16223937 has 8 divisors (see below), whose sum is σ = 21702720. Its totient is φ = 10780560.

The previous prime is 16223903. The next prime is 16223939. The reversal of 16223937 is 73932261.

It is a happy number.

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

It is not a de Polignac number, because 16223937 - 2¹¹ = 16221889 is a prime.

It is a super-2 number, since 2×16223937² = 526432263559938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16223898 and 16223907.

It is not an unprimeable number, because it can be changed into a prime (16223939) 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, 7762 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (2712840).

Almost surely, 2^16223937 is an apocalyptic number.

It is an amenable number.

16223937 is a deficient number, since it is larger than the sum of its proper divisors (5478783).

16223937 is a wasteful number, since it uses less digits than its factorization.

16223937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17703.

The product of its digits is 13608, while the sum is 33.

The square root of 16223937 is about 4027.8948596010. The cubic root of 16223937 is about 253.1543632451.

The spelling of 16223937 in words is "sixteen million, two hundred twenty-three thousand, nine hundred thirty-seven".