72224099 has 8 divisors (see below), whose sum is σ = 72990720. Its totient is φ = 71461000.

The previous prime is 72224059. The next prime is 72224137. The reversal of 72224099 is 99042227.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72224099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72224029) 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, 62174 + ... + 63324.

It is an arithmetic number, because the mean of its divisors is an integer number (9123840).

Almost surely, 2^72224099 is an apocalyptic number.

72224099 is a deficient number, since it is larger than the sum of its proper divisors (766621).

72224099 is a wasteful number, since it uses less digits than its factorization.

72224099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 72224099 is about 8498.4762751919. The cubic root of 72224099 is about 416.4479330513.

The spelling of 72224099 in words is "seventy-two million, two hundred twenty-four thousand, ninety-nine".