99537722 has 8 divisors (see below), whose sum is σ = 150785172. Its totient is φ = 49276000.

The previous prime is 99537719. The next prime is 99537731. The reversal of 99537722 is 22773599.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97199881 + 2337841 = 9859^2 + 1529^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246179 + ... + 246582.

Almost surely, 2^99537722 is an apocalyptic number.

99537722 is a deficient number, since it is larger than the sum of its proper divisors (51247450).

99537722 is a wasteful number, since it uses less digits than its factorization.

99537722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492864.

The product of its digits is 238140, while the sum is 44.

The square root of 99537722 is about 9976.8593254591. The cubic root of 99537722 is about 463.4425435967.

The spelling of 99537722 in words is "ninety-nine million, five hundred thirty-seven thousand, seven hundred twenty-two".