272218224 has 20 divisors (see below), whose sum is σ = 703230536. Its totient is φ = 90739392.

The previous prime is 272218217. The next prime is 272218231. The reversal of 272218224 is 422812272.

It is an interprime number because it is at equal distance from previous prime (272218217) and next prime (272218231).

It is a super-2 number, since 2×272218224² = 148205522955428352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 272218191 and 272218200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835559 + ... + 2835654.

Almost surely, 2^272218224 is an apocalyptic number.

272218224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

272218224 is an abundant number, since it is smaller than the sum of its proper divisors (431012312).

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

272218224 is a wasteful number, since it uses less digits than its factorization.

272218224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671224 (or 5671218 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 272218224 is about 16499.0370628107. The cubic root of 272218224 is about 648.0955887031.

The spelling of 272218224 in words is "two hundred seventy-two million, two hundred eighteen thousand, two hundred twenty-four".