72369222 has 8 divisors (see below), whose sum is σ = 144738456. Its totient is φ = 24123072.

The previous prime is 72369197. The next prime is 72369251. The reversal of 72369222 is 22296327.

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

72369222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6030763 + ... + 6030774.

It is an arithmetic number, because the mean of its divisors is an integer number (18092307).

Almost surely, 2^72369222 is an apocalyptic number.

72369222 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.

72369222 is a wasteful number, since it uses less digits than its factorization.

72369222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12061542.

The product of its digits is 18144, while the sum is 33.

The square root of 72369222 is about 8507.0101680908. The cubic root of 72369222 is about 416.7266753749.

The spelling of 72369222 in words is "seventy-two million, three hundred sixty-nine thousand, two hundred twenty-two".