99519422 has 12 divisors (see below), whose sum is σ = 151426608. Its totient is φ = 49053900.

The previous prime is 99519391. The next prime is 99519437. The reversal of 99519422 is 22491599.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99519422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5147 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (12618884).

Almost surely, 2^99519422 is an apocalyptic number.

99519422 is a deficient number, since it is larger than the sum of its proper divisors (51907186).

99519422 is an equidigital number, since it uses as much as digits as its factorization.

99519422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015 (or 9944 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 99519422 is about 9975.9421610192. The cubic root of 99519422 is about 463.4141405679.

The spelling of 99519422 in words is "ninety-nine million, five hundred nineteen thousand, four hundred twenty-two".