99924223481 has 4 divisors (see below), whose sum is σ = 101128129872. Its totient is φ = 98720317092.

The previous prime is 99924223463. The next prime is 99924223501. The reversal of 99924223481 is 18432242999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99924223481 - 2³⁰ = 98850481657 is a prime.

It is a super-2 number, since 2×99924223481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99924223081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601953071 + ... + 601953236.

It is an arithmetic number, because the mean of its divisors is an integer number (25282032468).

Almost surely, 2^99924223481 is an apocalyptic number.

It is an amenable number.

99924223481 is a deficient number, since it is larger than the sum of its proper divisors (1203906391).

99924223481 is a wasteful number, since it uses less digits than its factorization.

99924223481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203906390.

The product of its digits is 2239488, while the sum is 53.

The spelling of 99924223481 in words is "ninety-nine billion, nine hundred twenty-four million, two hundred twenty-three thousand, four hundred eighty-one".