1255522026 has 16 divisors (see below), whose sum is σ = 2739320928. Its totient is φ = 380461200.

The previous prime is 1255522013. The next prime is 1255522031. The reversal of 1255522026 is 6202255521.

It is a super-2 number, since 2×1255522026² = 3152671115542289352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255521984 and 1255522002.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9511465 + ... + 9511596.

It is an arithmetic number, because the mean of its divisors is an integer number (171207558).

Almost surely, 2^1255522026 is an apocalyptic number.

1255522026 is an abundant number, since it is smaller than the sum of its proper divisors (1483798902).

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

1255522026 is a wasteful number, since it uses less digits than its factorization.

1255522026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19023077.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1255522026 is about 35433.3462433341. The cubic root of 1255522026 is about 1078.8012608372.

Adding to 1255522026 its reverse (6202255521), we get a palindrome (7457777547).

The spelling of 1255522026 in words is "one billion, two hundred fifty-five million, five hundred twenty-two thousand, twenty-six".