271221696 has 140 divisors (see below), whose sum is σ = 812852832. Its totient is φ = 89413632.

The previous prime is 271221661. The next prime is 271221701. The reversal of 271221696 is 696122172.

It is a super-2 number, since 2×271221696² = 147122416762232832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 271221696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 585561 + ... + 586023.

Almost surely, 2^271221696 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 271221696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406426416).

271221696 is an abundant number, since it is smaller than the sum of its proper divisors (541631136).

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

271221696 is a wasteful number, since it uses less digits than its factorization.

271221696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 581 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 271221696 is about 16468.8097930603. The cubic root of 271221696 is about 647.3037789865.

The spelling of 271221696 in words is "two hundred seventy-one million, two hundred twenty-one thousand, six hundred ninety-six".