72219201 has 8 divisors (see below), whose sum is σ = 96797184. Its totient is φ = 47893680.

The previous prime is 72219143. The next prime is 72219221. The reversal of 72219201 is 10291227.

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

It is not a de Polignac number, because 72219201 - 2¹⁴ = 72202817 is a prime.

It is a super-2 number, since 2×72219201² = 10431225986156802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72219221) 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 7 ways as a sum of consecutive naturals, for example, 62446 + ... + 63591.

It is an arithmetic number, because the mean of its divisors is an integer number (12099648).

Almost surely, 2^72219201 is an apocalyptic number.

It is an amenable number.

72219201 is a deficient number, since it is larger than the sum of its proper divisors (24577983).

72219201 is a wasteful number, since it uses less digits than its factorization.

72219201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126231.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 72219201 is about 8498.1881010013. The cubic root of 72219201 is about 416.4385187971.

The spelling of 72219201 in words is "seventy-two million, two hundred nineteen thousand, two hundred one".