4220625522 has 8 divisors (see below), whose sum is σ = 8441251056. Its totient is φ = 1406875172.

The previous prime is 4220625463. The next prime is 4220625523. The reversal of 4220625522 is 2255260224.

It is a sphenic number, since it is the product of 3 distinct primes.

4220625522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4220625522.

It is not an unprimeable number, because it can be changed into a prime (4220625523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351718788 + ... + 351718799.

It is an arithmetic number, because the mean of its divisors is an integer number (1055156382).

Almost surely, 2^4220625522 is an apocalyptic number.

4220625522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4220625522 is a wasteful number, since it uses less digits than its factorization.

4220625522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703437592.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4220625522 is about 64966.3414546333. The cubic root of 4220625522 is about 1616.0654303251.

Adding to 4220625522 its reverse (2255260224), we get a palindrome (6475885746).

The spelling of 4220625522 in words is "four billion, two hundred twenty million, six hundred twenty-five thousand, five hundred twenty-two".