4550021522 has 16 divisors (see below), whose sum is σ = 6993301920. Its totient is φ = 2219065632.

The previous prime is 4550021521. The next prime is 4550021527. The reversal of 4550021522 is 2251200554.

It is a junction number, because it is equal to n+sod(n) for n = 4550021491 and 4550021500.

It is not an unprimeable number, because it can be changed into a prime (4550021521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27758 + ... + 99350.

It is an arithmetic number, because the mean of its divisors is an integer number (437081370).

Almost surely, 2^4550021522 is an apocalyptic number.

4550021522 is a deficient number, since it is larger than the sum of its proper divisors (2443280398).

4550021522 is a wasteful number, since it uses less digits than its factorization.

4550021522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72377.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 4550021522 is about 67453.8473476495. The cubic root of 4550021522 is about 1657.0584090247.

The spelling of 4550021522 in words is "four billion, five hundred fifty million, twenty-one thousand, five hundred twenty-two".