1262256226 has 16 divisors (see below), whose sum is σ = 2360583360. Its totient is φ = 491788080.

The previous prime is 1262256223. The next prime is 1262256251. The reversal of 1262256226 is 6226522621.

It is a junction number, because it is equal to n+sod(n) for n = 1262256191 and 1262256200.

It is not an unprimeable number, because it can be changed into a prime (1262256223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4098081 + ... + 4098388.

It is an arithmetic number, because the mean of its divisors is an integer number (147536460).

Almost surely, 2^1262256226 is an apocalyptic number.

1262256226 is a deficient number, since it is larger than the sum of its proper divisors (1098327134).

1262256226 is a wasteful number, since it uses less digits than its factorization.

1262256226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196489.

The product of its digits is 34560, while the sum is 34.

The square root of 1262256226 is about 35528.2454675150. The cubic root of 1262256226 is about 1080.7265989573.

Adding to 1262256226 its reverse (6226522621), we get a palindrome (7488778847).

The spelling of 1262256226 in words is "one billion, two hundred sixty-two million, two hundred fifty-six thousand, two hundred twenty-six".