109221925 has 12 divisors (see below), whose sum is σ = 135728416. Its totient is φ = 87188400.

The previous prime is 109221911. The next prime is 109221929. The reversal of 109221925 is 529122901.

It is not a de Polignac number, because 109221925 - 2¹³ = 109213733 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 (109221929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7690 + ... + 16660.

Almost surely, 2^109221925 is an apocalyptic number.

It is an amenable number.

109221925 is a deficient number, since it is larger than the sum of its proper divisors (26506491).

109221925 is an equidigital number, since it uses as much as digits as its factorization.

109221925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468 (or 9463 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 109221925 is about 10450.9293845093. The cubic root of 109221925 is about 478.0095891005.

The spelling of 109221925 in words is "one hundred nine million, two hundred twenty-one thousand, nine hundred twenty-five".