109228416 has 128 divisors (see below), whose sum is σ = 333417600. Its totient is φ = 31334400.

The previous prime is 109228393. The next prime is 109228421. The reversal of 109228416 is 614822901.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79576 + ... + 80936.

It is an arithmetic number, because the mean of its divisors is an integer number (2604825).

Almost surely, 2^109228416 is an apocalyptic number.

109228416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109228416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166708800).

109228416 is an abundant number, since it is smaller than the sum of its proper divisors (224189184).

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

109228416 is a wasteful number, since it uses less digits than its factorization.

109228416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 109228416 is about 10451.2399264394. The cubic root of 109228416 is about 478.0190581968.

The spelling of 109228416 in words is "one hundred nine million, two hundred twenty-eight thousand, four hundred sixteen".