16226140 has 24 divisors (see below), whose sum is σ = 38943072. Its totient is φ = 5563200.

The previous prime is 16226137. The next prime is 16226141. The reversal of 16226140 is 4162261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57811 + ... + 58090.

It is an arithmetic number, because the mean of its divisors is an integer number (1622628).

Almost surely, 2^16226140 is an apocalyptic number.

16226140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16226140 is an abundant number, since it is smaller than the sum of its proper divisors (22716932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16226140 is a wasteful number, since it uses less digits than its factorization.

16226140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115917 (or 115915 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16226140 is about 4028.1683182310. The cubic root of 16226140 is about 253.1658210850.

The spelling of 16226140 in words is "sixteen million, two hundred twenty-six thousand, one hundred forty".