105224591 has 2 divisors, whose sum is σ = 105224592. Its totient is φ = 105224590.

The previous prime is 105224521. The next prime is 105224597. The reversal of 105224591 is 195422501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105224591 is a prime.

It is a super-2 number, since 2×105224591² = 22144429102234562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105224597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52612295 + 52612296.

It is an arithmetic number, because the mean of its divisors is an integer number (52612296).

Almost surely, 2^105224591 is an apocalyptic number.

105224591 is a deficient number, since it is larger than the sum of its proper divisors (1).

105224591 is an equidigital number, since it uses as much as digits as its factorization.

105224591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 105224591 is about 10257.9038307054. The cubic root of 105224591 is about 472.1055240819.

The spelling of 105224591 in words is "one hundred five million, two hundred twenty-four thousand, five hundred ninety-one".