1305022422 has 16 divisors (see below), whose sum is σ = 2847321792. Its totient is φ = 395461320.

The previous prime is 1305022421. The next prime is 1305022457. The reversal of 1305022422 is 2242205031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9886468 + ... + 9886599.

It is an arithmetic number, because the mean of its divisors is an integer number (177957612).

Almost surely, 2^1305022422 is an apocalyptic number.

1305022422 is an abundant number, since it is smaller than the sum of its proper divisors (1542299370).

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

1305022422 is a wasteful number, since it uses less digits than its factorization.

1305022422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19773083.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1305022422 is about 36125.0940760021. The cubic root of 1305022422 is about 1092.7965732516.

Adding to 1305022422 its reverse (2242205031), we get a palindrome (3547227453).

The spelling of 1305022422 in words is "one billion, three hundred five million, twenty-two thousand, four hundred twenty-two".