422211252 has 48 divisors (see below), whose sum is σ = 1047900672. Its totient is φ = 131850240.

The previous prime is 422211247. The next prime is 422211277. The reversal of 422211252 is 252112224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40852 + ... + 50132.

It is an arithmetic number, because the mean of its divisors is an integer number (21831264).

Almost surely, 2^422211252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422211252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523950336).

422211252 is an abundant number, since it is smaller than the sum of its proper divisors (625689420).

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

422211252 is a wasteful number, since it uses less digits than its factorization.

422211252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9528 (or 9526 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 422211252 is about 20547.7797340735. The cubic root of 422211252 is about 750.1992075282.

Adding to 422211252 its reverse (252112224), we get a palindrome (674323476).

The spelling of 422211252 in words is "four hundred twenty-two million, two hundred eleven thousand, two hundred fifty-two".