272216122 has 4 divisors (see below), whose sum is σ = 408324186. Its totient is φ = 136108060.

The previous prime is 272216117. The next prime is 272216129. The reversal of 272216122 is 221612272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 265657401 + 6558721 = 16299^2 + 2561^2 .

It is not an unprimeable number, because it can be changed into a prime (272216129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68054029 + ... + 68054032.

Almost surely, 2^272216122 is an apocalyptic number.

272216122 is a deficient number, since it is larger than the sum of its proper divisors (136108064).

272216122 is a wasteful number, since it uses less digits than its factorization.

272216122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136108063.

The product of its digits is 1344, while the sum is 25.

The square root of 272216122 is about 16498.9733620004. The cubic root of 272216122 is about 648.0939205557.

Adding to 272216122 its reverse (221612272), we get a palindrome (493828394).

The spelling of 272216122 in words is "two hundred seventy-two million, two hundred sixteen thousand, one hundred twenty-two".