99920622 has 16 divisors (see below), whose sum is σ = 202371840. Its totient is φ = 32885112.

The previous prime is 99920603. The next prime is 99920641. The reversal of 99920622 is 22602999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99920603) and next prime (99920641).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 104928 + ... + 105875.

It is an arithmetic number, because the mean of its divisors is an integer number (12648240).

Almost surely, 2^99920622 is an apocalyptic number.

99920622 is an abundant number, since it is smaller than the sum of its proper divisors (102451218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99920622 is a wasteful number, since it uses less digits than its factorization.

99920622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210887.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 99920622 is about 9996.0303120789. The cubic root of 99920622 is about 464.0360375052.

The spelling of 99920622 in words is "ninety-nine million, nine hundred twenty thousand, six hundred twenty-two".