1255223352 has 64 divisors (see below), whose sum is σ = 3196402560. Its totient is φ = 410659200.

The previous prime is 1255223351. The next prime is 1255223357. The reversal of 1255223352 is 2533225521.

It is a super-2 number, since 2×1255223352² = 3151171326812231808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255223351) 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, 1292227 + ... + 1293197.

It is an arithmetic number, because the mean of its divisors is an integer number (49943790).

Almost surely, 2^1255223352 is an apocalyptic number.

1255223352 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 1255223352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598201280).

1255223352 is an abundant number, since it is smaller than the sum of its proper divisors (1941179208).

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

1255223352 is a wasteful number, since it uses less digits than its factorization.

1255223352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1920 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 1255223352 is about 35429.1314034087. The cubic root of 1255223352 is about 1078.7157093204.

Adding to 1255223352 its reverse (2533225521), we get a palindrome (3788448873).

The spelling of 1255223352 in words is "one billion, two hundred fifty-five million, two hundred twenty-three thousand, three hundred fifty-two".