109220537 has 4 divisors (see below), whose sum is σ = 113969280. Its totient is φ = 104471796.

The previous prime is 109220521. The next prime is 109220539. The reversal of 109220537 is 735022901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 109220537 - 2⁴ = 109220521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109220539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374337 + ... + 2374382.

It is an arithmetic number, because the mean of its divisors is an integer number (28492320).

Almost surely, 2^109220537 is an apocalyptic number.

It is an amenable number.

109220537 is a deficient number, since it is larger than the sum of its proper divisors (4748743).

109220537 is an equidigital number, since it uses as much as digits as its factorization.

109220537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748742.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 109220537 is about 10450.8629787209. The cubic root of 109220537 is about 478.0075642320.

The spelling of 109220537 in words is "one hundred nine million, two hundred twenty thousand, five hundred thirty-seven".