105223501 has 4 divisors (see below), whose sum is σ = 110761600. Its totient is φ = 99685404.

The previous prime is 105223487. The next prime is 105223511. The reversal of 105223501 is 105322501.

105223501 = T₈₃₇₄ + T₈₃₇₅ + T₈₃₇₆.

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, and also an emirpimes, since its reverse is a distinct semiprime: 105322501 = 53 ⋅1987217.

It is a cyclic number.

It is not a de Polignac number, because 105223501 - 2¹¹ = 105221453 is a prime.

It is a super-2 number, since 2×105223501² = 22143970325394002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5538079 = 105223501 / (1 + 0 + 5 + 2 + 2 + 3 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105223511) 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, 2769021 + ... + 2769058.

It is an arithmetic number, because the mean of its divisors is an integer number (27690400).

Almost surely, 2^105223501 is an apocalyptic number.

105223501 is the 8376-th centered triangular number.

It is an amenable number.

105223501 is a deficient number, since it is larger than the sum of its proper divisors (5538099).

105223501 is an equidigital number, since it uses as much as digits as its factorization.

105223501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538098.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 105223501 is about 10257.8507008047. The cubic root of 105223501 is about 472.1038939281.

The spelling of 105223501 in words is "one hundred five million, two hundred twenty-three thousand, five hundred one".