272222001 has 12 divisors (see below), whose sum is σ = 402800580. Its totient is φ = 177054720.

The previous prime is 272221993. The next prime is 272222021. The reversal of 272222001 is 100222272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39690000 + 232532001 = 6300^2 + 15249^2 .

It is not a de Polignac number, because 272222001 - 2³ = 272221993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272222021) 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 11 ways as a sum of consecutive naturals, for example, 368496 + ... + 369233.

It is an arithmetic number, because the mean of its divisors is an integer number (33566715).

Almost surely, 2^272222001 is an apocalyptic number.

It is an amenable number.

272222001 is a deficient number, since it is larger than the sum of its proper divisors (130578579).

272222001 is a wasteful number, since it uses less digits than its factorization.

272222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737776 (or 737773 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 272222001 is about 16499.1515236390. The cubic root of 272222001 is about 648.0985861093.

Adding to 272222001 its reverse (100222272), we get a palindrome (372444273).

The spelling of 272222001 in words is "two hundred seventy-two million, two hundred twenty-two thousand, one".