1222630032 has 80 divisors (see below), whose sum is σ = 3406656960. Its totient is φ = 375614976.

The previous prime is 1222630027. The next prime is 1222630033. The reversal of 1222630032 is 2300362221.

1222630032 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1222629990 and 1222630008.

It is not an unprimeable number, because it can be changed into a prime (1222630033) 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, 589894 + ... + 591962.

It is an arithmetic number, because the mean of its divisors is an integer number (42583212).

Almost surely, 2^1222630032 is an apocalyptic number.

1222630032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222630032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703328480).

1222630032 is an abundant number, since it is smaller than the sum of its proper divisors (2184026928).

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

1222630032 is a wasteful number, since it uses less digits than its factorization.

1222630032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1222630032 is about 34966.1269230666. The cubic root of 1222630032 is about 1069.2970116718.

Adding to 1222630032 its reverse (2300362221), we get a palindrome (3522992253).

The spelling of 1222630032 in words is "one billion, two hundred twenty-two million, six hundred thirty thousand, thirty-two".