72265222 has 8 divisors (see below), whose sum is σ = 108740736. Its totient is φ = 36018312.

The previous prime is 72265217. The next prime is 72265229. The reversal of 72265222 is 22256227.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72265229) 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, 56358 + ... + 57625.

It is an arithmetic number, because the mean of its divisors is an integer number (13592592).

Almost surely, 2^72265222 is an apocalyptic number.

72265222 is a deficient number, since it is larger than the sum of its proper divisors (36475514).

72265222 is a wasteful number, since it uses less digits than its factorization.

72265222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114302.

The product of its digits is 6720, while the sum is 28.

The square root of 72265222 is about 8500.8953646072. The cubic root of 72265222 is about 416.5269571780.

The spelling of 72265222 in words is "seventy-two million, two hundred sixty-five thousand, two hundred twenty-two".