1255433222 has 16 divisors (see below), whose sum is σ = 1893553200. Its totient is φ = 624257760.

The previous prime is 1255433191. The next prime is 1255433251. The reversal of 1255433222 is 2223345521.

It is a super-2 number, since 2×1255433222² = 3152225149802602568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352772 + ... + 356312.

It is an arithmetic number, because the mean of its divisors is an integer number (118347075).

Almost surely, 2^1255433222 is an apocalyptic number.

1255433222 is a deficient number, since it is larger than the sum of its proper divisors (638119978).

1255433222 is a wasteful number, since it uses less digits than its factorization.

1255433222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

The product of its digits is 14400, while the sum is 29.

The square root of 1255433222 is about 35432.0931078027. The cubic root of 1255433222 is about 1078.7758254343.

Adding to 1255433222 its reverse (2223345521), we get a palindrome (3478778743).

The spelling of 1255433222 in words is "one billion, two hundred fifty-five million, four hundred thirty-three thousand, two hundred twenty-two".