72192022 has 8 divisors (see below), whose sum is σ = 123757776. Its totient is φ = 30939432.

The previous prime is 72192011. The next prime is 72192023. The reversal of 72192022 is 22029127.

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 (72192023) 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, 2578273 + ... + 2578300.

It is an arithmetic number, because the mean of its divisors is an integer number (15469722).

Almost surely, 2^72192022 is an apocalyptic number.

72192022 is a deficient number, since it is larger than the sum of its proper divisors (51565754).

72192022 is a wasteful number, since it uses less digits than its factorization.

72192022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156582.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 72192022 is about 8496.5888449424. The cubic root of 72192022 is about 416.3862713684.

The spelling of 72192022 in words is "seventy-two million, one hundred ninety-two thousand, twenty-two".