4221039522 has 32 divisors (see below), whose sum is σ = 9682209792. Its totient is φ = 1201746384.

The previous prime is 4221039521. The next prime is 4221039541. The reversal of 4221039522 is 2259301224.

It is a self number, because there is not a number n which added to its sum of digits gives 4221039522.

It is not an unprimeable number, because it can be changed into a prime (4221039521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165678 + ... + 189449.

It is an arithmetic number, because the mean of its divisors is an integer number (302569056).

Almost surely, 2^4221039522 is an apocalyptic number.

4221039522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4221039522 is an abundant number, since it is smaller than the sum of its proper divisors (5461170270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221039522 is a wasteful number, since it uses less digits than its factorization.

4221039522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355422.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4221039522 is about 64969.5276418107. The cubic root of 4221039522 is about 1616.1182684024.

The spelling of 4221039522 in words is "four billion, two hundred twenty-one million, thirty-nine thousand, five hundred twenty-two".