72212195 has 12 divisors (see below), whose sum is σ = 95249280. Its totient is φ = 52517520.

The previous prime is 72212191. The next prime is 72212207. The reversal of 72212195 is 59121227.

It is not a de Polignac number, because 72212195 - 2² = 72212191 is a prime.

It is a super-2 number, since 2×72212195² = 10429202213436050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72212191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59075 + ... + 60284.

It is an arithmetic number, because the mean of its divisors is an integer number (7937440).

Almost surely, 2^72212195 is an apocalyptic number.

72212195 is a deficient number, since it is larger than the sum of its proper divisors (23037085).

72212195 is a wasteful number, since it uses less digits than its factorization.

72212195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119386 (or 119375 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 72212195 is about 8497.7758854891. The cubic root of 72212195 is about 416.4250520986.

The spelling of 72212195 in words is "seventy-two million, two hundred twelve thousand, one hundred ninety-five".