109400221 has 8 divisors (see below), whose sum is σ = 125797184. Its totient is φ = 93195360.

The previous prime is 109400171. The next prime is 109400237. The reversal of 109400221 is 122004901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109400221 - 2¹³ = 109392029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109400021) 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, 46800 + ... + 49081.

It is an arithmetic number, because the mean of its divisors is an integer number (15724648).

Almost surely, 2^109400221 is an apocalyptic number.

It is an amenable number.

109400221 is a deficient number, since it is larger than the sum of its proper divisors (16396963).

109400221 is an equidigital number, since it uses as much as digits as its factorization.

109400221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96051.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 109400221 is about 10459.4560566026. The cubic root of 109400221 is about 478.2695517536.

The spelling of 109400221 in words is "one hundred nine million, four hundred thousand, two hundred twenty-one".