72227382 has 8 divisors (see below), whose sum is σ = 144454776. Its totient is φ = 24075792.

The previous prime is 72227381. The next prime is 72227399. The reversal of 72227382 is 28372227.

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

72227382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72227381) 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, 6018943 + ... + 6018954.

It is an arithmetic number, because the mean of its divisors is an integer number (18056847).

Almost surely, 2^72227382 is an apocalyptic number.

72227382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72227382 is a wasteful number, since it uses less digits than its factorization.

72227382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037902.

The product of its digits is 18816, while the sum is 33.

The square root of 72227382 is about 8498.6694252689. The cubic root of 72227382 is about 416.4542429390.

The spelling of 72227382 in words is "seventy-two million, two hundred twenty-seven thousand, three hundred eighty-two".