272222208 has 144 divisors (see below), whose sum is σ = 816837840. Its totient is φ = 90574848.

The previous prime is 272222201. The next prime is 272222213. The reversal of 272222208 is 802222272.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (272222201) 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, 497391 + ... + 497937.

It is an arithmetic number, because the mean of its divisors is an integer number (5672485).

Almost surely, 2^272222208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272222208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408418920).

272222208 is an abundant number, since it is smaller than the sum of its proper divisors (544615632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272222208 is an frugal number, since it uses more digits than its factorization.

272222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 272222208 is about 16499.1577966877. The cubic root of 272222208 is about 648.0987503825.

The spelling of 272222208 in words is "two hundred seventy-two million, two hundred twenty-two thousand, two hundred eight".