16227142 has 4 divisors (see below), whose sum is σ = 24340716. Its totient is φ = 8113570.

The previous prime is 16227119. The next prime is 16227151. The reversal of 16227142 is 24172261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24172261 = 577 ⋅41893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056784 + ... + 4056787.

It is an arithmetic number, because the mean of its divisors is an integer number (6085179).

Almost surely, 2^16227142 is an apocalyptic number.

16227142 is a deficient number, since it is larger than the sum of its proper divisors (8113574).

16227142 is an equidigital number, since it uses as much as digits as its factorization.

16227142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113573.

The product of its digits is 1344, while the sum is 25.

The square root of 16227142 is about 4028.2926904583. The cubic root of 16227142 is about 253.1710321607.

The spelling of 16227142 in words is "sixteen million, two hundred twenty-seven thousand, one hundred forty-two".