9802225505 has 4 divisors (see below), whose sum is σ = 11762670612. Its totient is φ = 7841780400.

The previous prime is 9802225493. The next prime is 9802225507. The reversal of 9802225505 is 5055222089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3375958609 + 6426266896 = 58103^2 + 80164^2 .

It is not a de Polignac number, because 9802225505 - 2¹² = 9802221409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9802225507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980222546 + ... + 980222555.

It is an arithmetic number, because the mean of its divisors is an integer number (2940667653).

Almost surely, 2^9802225505 is an apocalyptic number.

It is an amenable number.

9802225505 is a deficient number, since it is larger than the sum of its proper divisors (1960445107).

9802225505 is a wasteful number, since it uses less digits than its factorization.

9802225505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960445106.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 9802225505 is about 99006.1892257247. The cubic root of 9802225505 is about 2140.1369395149.

The spelling of 9802225505 in words is "nine billion, eight hundred two million, two hundred twenty-five thousand, five hundred five".