109217822 has 16 divisors (see below), whose sum is σ = 187393920. Its totient is φ = 46766808.

The previous prime is 109217819. The next prime is 109217827. The reversal of 109217822 is 228712901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109217827) 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, 17753 + ... + 23099.

It is an arithmetic number, because the mean of its divisors is an integer number (11712120).

Almost surely, 2^109217822 is an apocalyptic number.

109217822 is a deficient number, since it is larger than the sum of its proper divisors (78176098).

109217822 is a wasteful number, since it uses less digits than its factorization.

109217822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 109217822 is about 10450.7330843343. The cubic root of 109217822 is about 478.0036034345.

The spelling of 109217822 in words is "one hundred nine million, two hundred seventeen thousand, eight hundred twenty-two".