271222440 has 64 divisors (see below), whose sum is σ = 849052800. Its totient is φ = 69180672.

The previous prime is 271222433. The next prime is 271222453. The reversal of 271222440 is 44222172.

It is a super-2 number, since 2×271222440² = 147123223919107200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 271222440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46375 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (13266450).

Almost surely, 2^271222440 is an apocalyptic number.

271222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271222440 is an abundant number, since it is smaller than the sum of its proper divisors (577830360).

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

271222440 is a wasteful number, since it uses less digits than its factorization.

271222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98306 (or 98302 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 271222440 is about 16468.8323811981. The cubic root of 271222440 is about 647.3043708683.

It can be divided in two parts, 2712 and 22440, that added together give a palindrome (25152).

The spelling of 271222440 in words is "two hundred seventy-one million, two hundred twenty-two thousand, four hundred forty".