4221526422 has 16 divisors (see below), whose sum is σ = 8449183152. Its totient is φ = 1406153760.

The previous prime is 4221526403. The next prime is 4221526429. The reversal of 4221526422 is 2246251224.

It is a self number, because there is not a number n which added to its sum of digits gives 4221526422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221526429) 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, 246453 + ... + 263024.

It is an arithmetic number, because the mean of its divisors is an integer number (528073947).

Almost surely, 2^4221526422 is an apocalyptic number.

4221526422 is an abundant number, since it is smaller than the sum of its proper divisors (4227656730).

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

4221526422 is a wasteful number, since it uses less digits than its factorization.

4221526422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510863.

The product of its digits is 15360, while the sum is 30.

The square root of 4221526422 is about 64973.2746750539. The cubic root of 4221526422 is about 1616.1804061552.

Adding to 4221526422 its reverse (2246251224), we get a palindrome (6467777646).

The spelling of 4221526422 in words is "four billion, two hundred twenty-one million, five hundred twenty-six thousand, four hundred twenty-two".