105173722 has 8 divisors (see below), whose sum is σ = 157862772. Its totient is φ = 52552800.

The previous prime is 105173707. The next prime is 105173723. The reversal of 105173722 is 227371501.

It can be written as a sum of positive squares in 2 ways, for example, as 87441201 + 17732521 = 9351^2 + 4211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105173722² = 22123023598666568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105173723) 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 in 3 ways as a sum of consecutive naturals, for example, 12979 + ... + 19462.

Almost surely, 2^105173722 is an apocalyptic number.

105173722 is a deficient number, since it is larger than the sum of its proper divisors (52689050).

105173722 is a wasteful number, since it uses less digits than its factorization.

105173722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34064.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 105173722 is about 10255.4240282886. The cubic root of 105173722 is about 472.0294347487.

The spelling of 105173722 in words is "one hundred five million, one hundred seventy-three thousand, seven hundred twenty-two".