4221230622 has 64 divisors (see below), whose sum is σ = 10035024384. Its totient is φ = 1158675840.

The previous prime is 4221230603. The next prime is 4221230653. The reversal of 4221230622 is 2260321224.

It is a happy number.

It is a super-2 number, since 2×4221230622² = 35637575928221013768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4221230592 and 4221230601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91008 + ... + 129324.

It is an arithmetic number, because the mean of its divisors is an integer number (156797256).

Almost surely, 2^4221230622 is an apocalyptic number.

4221230622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221230622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5017512192).

4221230622 is an abundant number, since it is smaller than the sum of its proper divisors (5813793762).

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

4221230622 is a wasteful number, since it uses less digits than its factorization.

4221230622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38433.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4221230622 is about 64970.9983146327. The cubic root of 4221230622 is about 1616.1426569872.

Adding to 4221230622 its reverse (2260321224), we get a palindrome (6481551846).

The spelling of 4221230622 in words is "four billion, two hundred twenty-one million, two hundred thirty thousand, six hundred twenty-two".