99993022 has 8 divisors (see below), whose sum is σ = 151317216. Its totient is φ = 49553952.

The previous prime is 99993001. The next prime is 99993053. The reversal of 99993022 is 22039999.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99993022.

It is a congruent number.

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, 220998 + ... + 221449.

It is an arithmetic number, because the mean of its divisors is an integer number (18914652).

Almost surely, 2^99993022 is an apocalyptic number.

99993022 is a deficient number, since it is larger than the sum of its proper divisors (51324194).

99993022 is a wasteful number, since it uses less digits than its factorization.

99993022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442562.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 99993022 is about 9999.6510939132. The cubic root of 99993022 is about 464.1480867745.

The spelling of 99993022 in words is "ninety-nine million, nine hundred ninety-three thousand, twenty-two".