16227770 has 32 divisors (see below), whose sum is σ = 32199552. Its totient is φ = 5850432.

The previous prime is 16227749. The next prime is 16227797. The reversal of 16227770 is 7772261.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4139 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (1006236).

Almost surely, 2^16227770 is an apocalyptic number.

16227770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16227770 is a deficient number, since it is larger than the sum of its proper divisors (15971782).

16227770 is a wasteful number, since it uses less digits than its factorization.

16227770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 16227770 is about 4028.3706383599. The cubic root of 16227770 is about 253.1742980749.

The spelling of 16227770 in words is "sixteen million, two hundred twenty-seven thousand, seven hundred seventy".