99622745 has 4 divisors (see below), whose sum is σ = 119547300. Its totient is φ = 79698192.

The previous prime is 99622717. The next prime is 99622753. The reversal of 99622745 is 54722699.

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 26708224 + 72914521 = 5168^2 + 8539^2 .

It is a cyclic number.

It is not a de Polignac number, because 99622745 - 2⁸ = 99622489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99622696 and 99622705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9962270 + ... + 9962279.

It is an arithmetic number, because the mean of its divisors is an integer number (29886825).

Almost surely, 2^99622745 is an apocalyptic number.

It is an amenable number.

99622745 is a deficient number, since it is larger than the sum of its proper divisors (19924555).

99622745 is a wasteful number, since it uses less digits than its factorization.

99622745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19924554.

The product of its digits is 272160, while the sum is 44.

The square root of 99622745 is about 9981.1194261966. The cubic root of 99622745 is about 463.5744602904.

The spelling of 99622745 in words is "ninety-nine million, six hundred twenty-two thousand, seven hundred forty-five".