1255533223 has 12 divisors (see below), whose sum is σ = 1524020400. Its totient is φ = 1029380352.

The previous prime is 1255533217. The next prime is 1255533241. The reversal of 1255533223 is 3223355521.

It is not a de Polignac number, because 1255533223 - 2¹³ = 1255525031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255533523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555898 + ... + 558151.

It is an arithmetic number, because the mean of its divisors is an integer number (127001700).

Almost surely, 2^1255533223 is an apocalyptic number.

1255533223 is a deficient number, since it is larger than the sum of its proper divisors (268487177).

1255533223 is a wasteful number, since it uses less digits than its factorization.

1255533223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114086 (or 1114079 counting only the distinct ones).

The product of its digits is 27000, while the sum is 31.

The square root of 1255533223 is about 35433.5042438650. The cubic root of 1255533223 is about 1078.8044678172.

Adding to 1255533223 its reverse (3223355521), we get a palindrome (4478888744).

The spelling of 1255533223 in words is "one billion, two hundred fifty-five million, five hundred thirty-three thousand, two hundred twenty-three".