272223660 has 24 divisors (see below), whose sum is σ = 762226416. Its totient is φ = 72592960.

The previous prime is 272223647. The next prime is 272223661. The reversal of 272223660 is 66322272.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (272223661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268471 + ... + 2268590.

It is an arithmetic number, because the mean of its divisors is an integer number (31759434).

Almost surely, 2^272223660 is an apocalyptic number.

272223660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272223660 is an abundant number, since it is smaller than the sum of its proper divisors (490002756).

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

272223660 is a wasteful number, since it uses less digits than its factorization.

272223660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537073 (or 4537071 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 272223660 is about 16499.2017988750. The cubic root of 272223660 is about 648.0999026736.

The spelling of 272223660 in words is "two hundred seventy-two million, two hundred twenty-three thousand, six hundred sixty".