109219192 has 8 divisors (see below), whose sum is σ = 204786000. Its totient is φ = 54609592.

The previous prime is 109219189. The next prime is 109219193. The reversal of 109219192 is 291912901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×109219192² = 23857663802265728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109219193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6826192 + ... + 6826207.

It is an arithmetic number, because the mean of its divisors is an integer number (25598250).

Almost surely, 2^109219192 is an apocalyptic number.

It is an amenable number.

109219192 is a deficient number, since it is larger than the sum of its proper divisors (95566808).

109219192 is a wasteful number, since it uses less digits than its factorization.

109219192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13652405 (or 13652401 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 109219192 is about 10450.7986297699. The cubic root of 109219192 is about 478.0056020772.

The spelling of 109219192 in words is "one hundred nine million, two hundred nineteen thousand, one hundred ninety-two".