72222327 has 16 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 47027736.

The previous prime is 72222301. The next prime is 72222347. The reversal of 72222327 is 72322227.

It is not a de Polignac number, because 72222327 - 2⁶ = 72222263 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 72222327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72222347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29943 + ... + 32264.

It is an arithmetic number, because the mean of its divisors is an integer number (6842880).

Almost surely, 2^72222327 is an apocalyptic number.

72222327 is a deficient number, since it is larger than the sum of its proper divisors (37263753).

72222327 is a wasteful number, since it uses less digits than its factorization.

72222327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62259 (or 62253 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 72222327 is about 8498.3720205696. The cubic root of 72222327 is about 416.4445272086. Note that the first 3 decimals are identical.

The spelling of 72222327 in words is "seventy-two million, two hundred twenty-two thousand, three hundred twenty-seven".