72229322 has 8 divisors (see below), whose sum is σ = 118193472. Its totient is φ = 32831500.

The previous prime is 72229321. The next prime is 72229327. The reversal of 72229322 is 22392227.

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

It is not an unprimeable number, because it can be changed into a prime (72229321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641554 + ... + 1641597.

It is an arithmetic number, because the mean of its divisors is an integer number (14774184).

Almost surely, 2^72229322 is an apocalyptic number.

72229322 is a deficient number, since it is larger than the sum of its proper divisors (45964150).

72229322 is a wasteful number, since it uses less digits than its factorization.

72229322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283164.

The product of its digits is 6048, while the sum is 29.

The square root of 72229322 is about 8498.7835600161. The cubic root of 72229322 is about 416.4579715064.

The spelling of 72229322 in words is "seventy-two million, two hundred twenty-nine thousand, three hundred twenty-two".