72228314 has 8 divisors (see below), whose sum is σ = 108551988. Its totient is φ = 36044320.

The previous prime is 72228307. The next prime is 72228319. The reversal of 72228314 is 41382227.

It can be written as a sum of positive squares in 2 ways, for example, as 70980625 + 1247689 = 8425^2 + 1117^2 .

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 (72228319) 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, 33617 + ... + 35700.

Almost surely, 2^72228314 is an apocalyptic number.

72228314 is a deficient number, since it is larger than the sum of its proper divisors (36323674).

72228314 is a wasteful number, since it uses less digits than its factorization.

72228314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69840.

The product of its digits is 5376, while the sum is 29.

The square root of 72228314 is about 8498.7242572047. The cubic root of 72228314 is about 416.4560341972.

The spelling of 72228314 in words is "seventy-two million, two hundred twenty-eight thousand, three hundred fourteen".