1255162224 has 240 divisors, whose sum is σ = 3732618240. Its totient is φ = 361697280.

The previous prime is 1255162201. The next prime is 1255162247. The reversal of 1255162224 is 4222615521.

It is an interprime number because it is at equal distance from previous prime (1255162201) and next prime (1255162247).

It is a junction number, because it is equal to n+sod(n) for n = 1255162191 and 1255162200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21273907 + ... + 21273965.

It is an arithmetic number, because the mean of its divisors is an integer number (15552576).

Almost surely, 2^1255162224 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 1255162224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866309120).

1255162224 is an abundant number, since it is smaller than the sum of its proper divisors (2477456016).

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

1255162224 is a wasteful number, since it uses less digits than its factorization.

1255162224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 141 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1255162224 is about 35428.2687129925. The cubic root of 1255162224 is about 1078.6981982790.

Adding to 1255162224 its reverse (4222615521), we get a palindrome (5477777745).

The spelling of 1255162224 in words is "one billion, two hundred fifty-five million, one hundred sixty-two thousand, two hundred twenty-four".