99227760 has 60 divisors (see below), whose sum is σ = 308085192. Its totient is φ = 26419584.

The previous prime is 99227741. The next prime is 99227797. The reversal of 99227760 is 6772299.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×99227760² = 19692296709235200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153999 + ... + 154641.

Almost surely, 2^99227760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99227760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154042596).

99227760 is an abundant number, since it is smaller than the sum of its proper divisors (208857432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99227760 is an equidigital number, since it uses as much as digits as its factorization.

99227760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 99227760 is about 9961.3131664455. The cubic root of 99227760 is about 462.9609876522.

The spelling of 99227760 in words is "ninety-nine million, two hundred twenty-seven thousand, seven hundred sixty".