1300042422 has 36 divisors (see below), whose sum is σ = 3276639756. Its totient is φ = 371440440.

The previous prime is 1300042369. The next prime is 1300042427. The reversal of 1300042422 is 2242400031.

It is a super-2 number, since 2×1300042422² = 3380220597999252168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1300042395 and 1300042404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300042427) 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 17 ways as a sum of consecutive naturals, for example, 736104 + ... + 737867.

It is an arithmetic number, because the mean of its divisors is an integer number (91017771).

Almost surely, 2^1300042422 is an apocalyptic number.

1300042422 is an abundant number, since it is smaller than the sum of its proper divisors (1976597334).

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

1300042422 is a wasteful number, since it uses less digits than its factorization.

1300042422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473993 (or 1473983 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1300042422 is about 36056.1010371338. The cubic root of 1300042422 is about 1091.4047544881.

Adding to 1300042422 its reverse (2242400031), we get a palindrome (3542442453).

The spelling of 1300042422 in words is "one billion, three hundred million, forty-two thousand, four hundred twenty-two".