105622157 has 4 divisors (see below), whose sum is σ = 105678300. Its totient is φ = 105566016.

The previous prime is 105622133. The next prime is 105622183. The reversal of 105622157 is 751226501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87123556 + 18498601 = 9334^2 + 4301^2 .

It is a cyclic number.

It is not a de Polignac number, because 105622157 - 2⁶ = 105622093 is a prime.

It is a super-2 number, since 2×105622157² = 22312080098665298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105622757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25148 + ... + 29045.

It is an arithmetic number, because the mean of its divisors is an integer number (26419575).

Almost surely, 2^105622157 is an apocalyptic number.

It is an amenable number.

105622157 is a deficient number, since it is larger than the sum of its proper divisors (56143).

105622157 is an equidigital number, since it uses as much as digits as its factorization.

105622157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56142.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 105622157 is about 10277.2640814567. The cubic root of 105622157 is about 472.6993561681.

Adding to 105622157 its reverse (751226501), we get a palindrome (856848658).

The spelling of 105622157 in words is "one hundred five million, six hundred twenty-two thousand, one hundred fifty-seven".