7421336225 has 6 divisors (see below), whose sum is σ = 9202456950. Its totient is φ = 5937068960.

The previous prime is 7421336203. The next prime is 7421336227. The reversal of 7421336225 is 5226331247.

It can be written as a sum of positive squares in 3 ways, for example, as 681418816 + 6739917409 = 26104^2 + 82097^2 .

It is not a de Polignac number, because 7421336225 - 2⁸ = 7421335969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7421336227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148426700 + ... + 148426749.

It is an arithmetic number, because the mean of its divisors is an integer number (1533742825).

Almost surely, 2^7421336225 is an apocalyptic number.

It is an amenable number.

7421336225 is a deficient number, since it is larger than the sum of its proper divisors (1781120725).

7421336225 is a wasteful number, since it uses less digits than its factorization.

7421336225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296853459 (or 296853454 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 7421336225 is about 86147.1776960801. The cubic root of 7421336225 is about 1950.5662370516.

The spelling of 7421336225 in words is "seven billion, four hundred twenty-one million, three hundred thirty-six thousand, two hundred twenty-five".