16114221 has 10 divisors (see below), whose sum is σ = 24071982. Its totient is φ = 10742760.

The previous prime is 16114213. The next prime is 16114229. The reversal of 16114221 is 12241161.

It is an interprime number because it is at equal distance from previous prime (16114213) and next prime (16114229).

It can be written as a sum of positive squares in only one way, i.e., 16112196 + 2025 = 4014^2 + 45^2 .

It is not a de Polignac number, because 16114221 - 2³ = 16114213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16114194 and 16114203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16114229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99390 + ... + 99551.

Almost surely, 2^16114221 is an apocalyptic number.

It is an amenable number.

16114221 is a deficient number, since it is larger than the sum of its proper divisors (7957761).

16114221 is an equidigital number, since it uses as much as digits as its factorization.

16114221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198953 (or 198944 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 16114221 is about 4014.2522342274. The cubic root of 16114221 is about 252.5824114225.

Adding to 16114221 its reverse (12241161), we get a palindrome (28355382).

It can be divided in two parts, 1611 and 4221, that added together give a cube (5832 = 18³).

The spelling of 16114221 in words is "sixteen million, one hundred fourteen thousand, two hundred twenty-one".