99009722 has 32 divisors (see below), whose sum is σ = 184442880. Its totient is φ = 38899440.

The previous prime is 99009721. The next prime is 99009727. The reversal of 99009722 is 22790099.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (99009721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243 + ... + 14249.

It is an arithmetic number, because the mean of its divisors is an integer number (5763840).

Almost surely, 2^99009722 is an apocalyptic number.

99009722 is a deficient number, since it is larger than the sum of its proper divisors (85433158).

99009722 is a wasteful number, since it uses less digits than its factorization.

99009722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12066.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 99009722 is about 9950.3629079547. The cubic root of 99009722 is about 462.6216433869.

The spelling of 99009722 in words is "ninety-nine million, nine thousand, seven hundred twenty-two".