16022247 has 4 divisors (see below), whose sum is σ = 21363000. Its totient is φ = 10681496.

The previous prime is 16022243. The next prime is 16022249. The reversal of 16022247 is 74222061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74222061 = 3 ⋅24740687.

It is a cyclic number.

It is not a de Polignac number, because 16022247 - 2² = 16022243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16022243) 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, 2670372 + ... + 2670377.

It is an arithmetic number, because the mean of its divisors is an integer number (5340750).

Almost surely, 2^16022247 is an apocalyptic number.

16022247 is a deficient number, since it is larger than the sum of its proper divisors (5340753).

16022247 is an equidigital number, since it uses as much as digits as its factorization.

16022247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340752.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 16022247 is about 4002.7799090132. The cubic root of 16022247 is about 252.1009453229.

The spelling of 16022247 in words is "sixteen million, twenty-two thousand, two hundred forty-seven".