99557422 has 8 divisors (see below), whose sum is σ = 149551272. Its totient is φ = 49707000.

The previous prime is 99557411. The next prime is 99557449. The reversal of 99557422 is 22475599.

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

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, 34104 + ... + 36907.

It is an arithmetic number, because the mean of its divisors is an integer number (18693909).

Almost surely, 2^99557422 is an apocalyptic number.

99557422 is a deficient number, since it is larger than the sum of its proper divisors (49993850).

99557422 is a wasteful number, since it uses less digits than its factorization.

99557422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71714.

The product of its digits is 226800, while the sum is 43.

The square root of 99557422 is about 9977.8465612576. The cubic root of 99557422 is about 463.4731156441.

The spelling of 99557422 in words is "ninety-nine million, five hundred fifty-seven thousand, four hundred twenty-two".