2147205272 has 16 divisors (see below), whose sum is σ = 4026526200. Its totient is φ = 1073464960.

The previous prime is 2147205241. The next prime is 2147205299. The reversal of 2147205272 is 2725027412.

It is a super-2 number, since 2×2147205272² = 9220980960209187968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84272 + ... + 106752.

Almost surely, 2^2147205272 is an apocalyptic number.

It is an amenable number.

2147205272 is a deficient number, since it is larger than the sum of its proper divisors (1879320928).

2147205272 is a wasteful number, since it uses less digits than its factorization.

2147205272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34426 (or 34422 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2147205272 is about 46337.9463506962. The cubic root of 2147205272 is about 1290.1034053679.

The spelling of 2147205272 in words is "two billion, one hundred forty-seven million, two hundred five thousand, two hundred seventy-two".