105622715 has 12 divisors (see below), whose sum is σ = 139318032. Its totient is φ = 76816080.

The previous prime is 105622711. The next prime is 105622721. The reversal of 105622715 is 517226501.

It is not a de Polignac number, because 105622715 - 2² = 105622711 is a prime.

It is a super-2 number, since 2×105622715² = 22312315847942450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105622711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86687 + ... + 87896.

It is an arithmetic number, because the mean of its divisors is an integer number (11609836).

Almost surely, 2^105622715 is an apocalyptic number.

105622715 is a deficient number, since it is larger than the sum of its proper divisors (33695317).

105622715 is a wasteful number, since it uses less digits than its factorization.

105622715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174610 (or 174599 counting only the distinct ones).

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

The square root of 105622715 is about 10277.2912287236. The cubic root of 105622715 is about 472.7001885875.

The spelling of 105622715 in words is "one hundred five million, six hundred twenty-two thousand, seven hundred fifteen".