105325221 has 8 divisors (see below), whose sum is σ = 141295840. Its totient is φ = 69785712.

The previous prime is 105325201. The next prime is 105325243. The reversal of 105325221 is 122523501.

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

It is not a de Polignac number, because 105325221 - 2⁷ = 105325093 is a prime.

It is a super-2 number, since 2×105325221² = 22186804357397682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105325201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107206 + ... + 108183.

It is an arithmetic number, because the mean of its divisors is an integer number (17661980).

Almost surely, 2^105325221 is an apocalyptic number.

It is an amenable number.

105325221 is a deficient number, since it is larger than the sum of its proper divisors (35970619).

105325221 is a wasteful number, since it uses less digits than its factorization.

105325221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215555.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105325221 is about 10262.8076567770. The cubic root of 105325221 is about 472.2559732053.

Adding to 105325221 its reverse (122523501), we get a palindrome (227848722).

It can be divided in two parts, 10532 and 5221, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 105325221 in words is "one hundred five million, three hundred twenty-five thousand, two hundred twenty-one".