109222493 has 2 divisors, whose sum is σ = 109222494. Its totient is φ = 109222492.

The previous prime is 109222481. The next prime is 109222499. The reversal of 109222493 is 394222901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87198244 + 22024249 = 9338^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 109222493 - 2²⁰ = 108173917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109222499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54611246 + 54611247.

It is an arithmetic number, because the mean of its divisors is an integer number (54611247).

Almost surely, 2^109222493 is an apocalyptic number.

It is an amenable number.

109222493 is a deficient number, since it is larger than the sum of its proper divisors (1).

109222493 is an equidigital number, since it uses as much as digits as its factorization.

109222493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 109222493 is about 10450.9565590907. The cubic root of 109222493 is about 478.0104177161.

The spelling of 109222493 in words is "one hundred nine million, two hundred twenty-two thousand, four hundred ninety-three".