1222631360 has 56 divisors (see below), whose sum is σ = 2952451296. Its totient is φ = 482155520.

The previous prime is 1222631287. The next prime is 1222631363. The reversal of 1222631360 is 631362221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222631363) 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, 4187 + ... + 49626.

Almost surely, 2^1222631360 is an apocalyptic number.

1222631360 is a gapful number since it is divisible by the number (10) 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 1222631360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476225648).

1222631360 is an abundant number, since it is smaller than the sum of its proper divisors (1729819936).

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

1222631360 is an equidigital number, since it uses as much as digits as its factorization.

1222631360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53901 (or 53891 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1222631360 is about 34966.1459128683. The cubic root of 1222631360 is about 1069.2973988224.

Adding to 1222631360 its reverse (631362221), we get a palindrome (1853993581).

The spelling of 1222631360 in words is "one billion, two hundred twenty-two million, six hundred thirty-one thousand, three hundred sixty".