16226290 has 16 divisors (see below), whose sum is σ = 29253312. Its totient is φ = 6480304.

The previous prime is 16226267. The next prime is 16226291. The reversal of 16226290 is 9262261.

It is not an unprimeable number, because it can be changed into a prime (16226291) 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, 11187 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (1828332).

Almost surely, 2^16226290 is an apocalyptic number.

16226290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16226290 is a deficient number, since it is larger than the sum of its proper divisors (13027022).

16226290 is a wasteful number, since it uses less digits than its factorization.

16226290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 16226290 is about 4028.1869370723. The cubic root of 16226290 is about 253.1666011998.

The spelling of 16226290 in words is "sixteen million, two hundred twenty-six thousand, two hundred ninety".