7421135522 has 16 divisors (see below), whose sum is σ = 11323977120. Its totient is φ = 3646516608.

The previous prime is 7421135509. The next prime is 7421135537. The reversal of 7421135522 is 2255311247.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452978 + ... + 469074.

It is an arithmetic number, because the mean of its divisors is an integer number (707748570).

Almost surely, 2^7421135522 is an apocalyptic number.

7421135522 is a deficient number, since it is larger than the sum of its proper divisors (3902841598).

7421135522 is a wasteful number, since it uses less digits than its factorization.

7421135522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065.

The product of its digits is 16800, while the sum is 32.

The square root of 7421135522 is about 86146.0128038437. The cubic root of 7421135522 is about 1950.5486531550.

Adding to 7421135522 its reverse (2255311247), we get a palindrome (9676446769).

The spelling of 7421135522 in words is "seven billion, four hundred twenty-one million, one hundred thirty-five thousand, five hundred twenty-two".