47872225 has 6 divisors (see below), whose sum is σ = 59361590. Its totient is φ = 38297760.

The previous prime is 47872219. The next prime is 47872241. The reversal of 47872225 is 52227874.

It can be written as a sum of positive squares in 3 ways, for example, as 853776 + 47018449 = 924^2 + 6857^2 .

It is not a de Polignac number, because 47872225 - 2³ = 47872217 is a prime.

It is a super-3 number, since 3×47872225³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 957420 + ... + 957469.

Almost surely, 2^47872225 is an apocalyptic number.

It is an amenable number.

47872225 is a deficient number, since it is larger than the sum of its proper divisors (11489365).

47872225 is a wasteful number, since it uses less digits than its factorization.

47872225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914899 (or 1914894 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 47872225 is about 6918.9757189919. The cubic root of 47872225 is about 363.1013561904.

The spelling of 47872225 in words is "forty-seven million, eight hundred seventy-two thousand, two hundred twenty-five".