99622493 has 8 divisors (see below), whose sum is σ = 101097696. Its totient is φ = 98154000.

The previous prime is 99622489. The next prime is 99622519. The reversal of 99622493 is 39422699.

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

It is a cyclic number.

It is not a de Polignac number, because 99622493 - 2² = 99622489 is a prime.

It is a super-2 number, since 2×99622493² = 19849282223070098, which contains 22 as substring.

It is a Duffinian number.

99622493 is a modest number, since divided by 22493 gives 996 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99622423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33518 + ... + 36368.

It is an arithmetic number, because the mean of its divisors is an integer number (12637212).

Almost surely, 2^99622493 is an apocalyptic number.

It is an amenable number.

99622493 is a deficient number, since it is larger than the sum of its proper divisors (1475203).

99622493 is a wasteful number, since it uses less digits than its factorization.

99622493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355.

The product of its digits is 209952, while the sum is 44.

The square root of 99622493 is about 9981.1068023541. The cubic root of 99622493 is about 463.5740694130.

The spelling of 99622493 in words is "ninety-nine million, six hundred twenty-two thousand, four hundred ninety-three".