1255444223 has 16 divisors (see below), whose sum is σ = 1391281920. Its totient is φ = 1123281600.

The previous prime is 1255444217. The next prime is 1255444261. The reversal of 1255444223 is 3224445521.

It is a cyclic number.

It is not a de Polignac number, because 1255444223 - 2⁶ = 1255444159 is a prime.

It is a super-2 number, since 2×1255444223² = 3152280394128147458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1255444223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255444123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630836 + ... + 632822.

It is an arithmetic number, because the mean of its divisors is an integer number (86955120).

Almost surely, 2^1255444223 is an apocalyptic number.

1255444223 is a deficient number, since it is larger than the sum of its proper divisors (135837697).

1255444223 is a wasteful number, since it uses less digits than its factorization.

1255444223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878.

The product of its digits is 38400, while the sum is 32.

The square root of 1255444223 is about 35432.2483480797. The cubic root of 1255444223 is about 1078.7789764258.

Adding to 1255444223 its reverse (3224445521), we get a palindrome (4479889744).

The spelling of 1255444223 in words is "one billion, two hundred fifty-five million, four hundred forty-four thousand, two hundred twenty-three".