272224818 has 24 divisors (see below), whose sum is σ = 620864400. Its totient is φ = 85965624.

The previous prime is 272224817. The next prime is 272224847. The reversal of 272224818 is 818422272.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272224817) 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, 397648 + ... + 398331.

It is an arithmetic number, because the mean of its divisors is an integer number (25869350).

Almost surely, 2^272224818 is an apocalyptic number.

272224818 is an abundant number, since it is smaller than the sum of its proper divisors (348639582).

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

272224818 is a wasteful number, since it uses less digits than its factorization.

272224818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796006 (or 796003 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 272224818 is about 16499.2368914444. The cubic root of 272224818 is about 648.1008216467.

The spelling of 272224818 in words is "two hundred seventy-two million, two hundred twenty-four thousand, eight hundred eighteen".