105622725 has 48 divisors (see below), whose sum is σ = 189765632. Its totient is φ = 51528960.

The previous prime is 105622723. The next prime is 105622733. The reversal of 105622725 is 527226501.

It is not a de Polignac number, because 105622725 - 2¹ = 105622723 is a prime.

It is a super-2 number, since 2×105622725² = 22312320072851250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105622692 and 105622701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105622721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123399 + ... + 124251.

Almost surely, 2^105622725 is an apocalyptic number.

105622725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105622725 is a deficient number, since it is larger than the sum of its proper divisors (84142907).

105622725 is a wasteful number, since it uses less digits than its factorization.

105622725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 105622725 is about 10277.2917152332. The cubic root of 105622725 is about 472.7002035054.

The spelling of 105622725 in words is "one hundred five million, six hundred twenty-two thousand, seven hundred twenty-five".