1223164360 has 64 divisors (see below), whose sum is σ = 3038575680. Its totient is φ = 439415040.

The previous prime is 1223164351. The next prime is 1223164361. The reversal of 1223164360 is 634613221.

It is a super-2 number, since 2×1223164360² = 2992262103148419200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223164361) 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, 19774 + ... + 53266.

It is an arithmetic number, because the mean of its divisors is an integer number (47477745).

Almost surely, 2^1223164360 is an apocalyptic number.

1223164360 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 1223164360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519287840).

1223164360 is an abundant number, since it is smaller than the sum of its proper divisors (1815411320).

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

1223164360 is a wasteful number, since it uses less digits than its factorization.

1223164360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33598 (or 33594 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1223164360 is about 34973.7667402297. The cubic root of 1223164360 is about 1069.4527611914.

Adding to 1223164360 its reverse (634613221), we get a palindrome (1857777581).

The spelling of 1223164360 in words is "one billion, two hundred twenty-three million, one hundred sixty-four thousand, three hundred sixty".