272262221 has 12 divisors (see below), whose sum is σ = 342016416. Its totient is φ = 212151720.

The previous prime is 272262103. The next prime is 272262239. The reversal of 272262221 is 122262272.

It is a de Polignac number, because none of the positive numbers 2^k-272262221 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272262251) 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, 159875 + ... + 161568.

It is an arithmetic number, because the mean of its divisors is an integer number (28501368).

Almost surely, 2^272262221 is an apocalyptic number.

It is an amenable number.

272262221 is a deficient number, since it is larger than the sum of its proper divisors (69754195).

272262221 is a wasteful number, since it uses less digits than its factorization.

272262221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321472 (or 321461 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 272262221 is about 16500.3703291775. The cubic root of 272262221 is about 648.1305027574.

The spelling of 272262221 in words is "two hundred seventy-two million, two hundred sixty-two thousand, two hundred twenty-one".