1305011022 has 24 divisors (see below), whose sum is σ = 3036148776. Its totient is φ = 372860208.

The previous prime is 1305011021. The next prime is 1305011039. The reversal of 1305011022 is 2201105031.

It is a junction number, because it is equal to n+sod(n) for n = 1305010992 and 1305011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305011021) 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, 2219113 + ... + 2219700.

It is an arithmetic number, because the mean of its divisors is an integer number (126506199).

Almost surely, 2^1305011022 is an apocalyptic number.

1305011022 is an abundant number, since it is smaller than the sum of its proper divisors (1731137754).

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

1305011022 is a wasteful number, since it uses less digits than its factorization.

1305011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438832 (or 4438825 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1305011022 is about 36124.9362906013. The cubic root of 1305011022 is about 1092.7933912074.

Adding to 1305011022 its reverse (2201105031), we get a palindrome (3506116053).

The spelling of 1305011022 in words is "one billion, three hundred five million, eleven thousand, twenty-two".