841870225 has 27 divisors (see below), whose sum is σ = 1215821457. Its totient is φ = 576586080.

The previous prime is 841870207. The next prime is 841870231. The reversal of 841870225 is 522078148.

The square root of 841870225 is 29015.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3651921 + 838218304 = 1911^2 + 28952^2 .

It is not a de Polignac number, because 841870225 - 2¹³ = 841862033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1015111 + ... + 1015939.

Almost surely, 2^841870225 is an apocalyptic number.

841870225 is the 29015-th square number.

841870225 is the 14508-th centered octagonal number.

It is an amenable number.

841870225 is a deficient number, since it is larger than the sum of its proper divisors (373951232).

841870225 is an frugal number, since it uses more digits than its factorization.

841870225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The cubic root of 841870225 is about 944.2385269512.

The spelling of 841870225 in words is "eight hundred forty-one million, eight hundred seventy thousand, two hundred twenty-five".