16227742 has 16 divisors (see below), whose sum is σ = 25546752. Its totient is φ = 7716280.

The previous prime is 16227721. The next prime is 16227749. The reversal of 16227742 is 24772261.

It is a super-2 number, since 2×16227742² = 526679220837128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16227749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7863 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (1596672).

Almost surely, 2^16227742 is an apocalyptic number.

16227742 is a deficient number, since it is larger than the sum of its proper divisors (9319010).

16227742 is a wasteful number, since it uses less digits than its factorization.

16227742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its digits is 9408, while the sum is 31.

The square root of 16227742 is about 4028.3671630079. The cubic root of 16227742 is about 253.1741524627.

The spelling of 16227742 in words is "sixteen million, two hundred twenty-seven thousand, seven hundred forty-two".