1300220442 has 12 divisors (see below), whose sum is σ = 2817144330. Its totient is φ = 433406808.

The previous prime is 1300220437. The next prime is 1300220443. The reversal of 1300220442 is 2440220031.

1300220442 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 220 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 899460081 + 400760361 = 29991^2 + 20019^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 72234469 = 1300220442 / (1 + 3 + 0 + 0 + 2 + 2 + 0 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1300220443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36117217 + ... + 36117252.

Almost surely, 2^1300220442 is an apocalyptic number.

1300220442 is an abundant number, since it is smaller than the sum of its proper divisors (1516923888).

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

1300220442 is a wasteful number, since it uses less digits than its factorization.

1300220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72234477 (or 72234474 counting only the distinct ones).

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

The square root of 1300220442 is about 36058.5696055737. The cubic root of 1300220442 is about 1091.4545690181.

Adding to 1300220442 its reverse (2440220031), we get a palindrome (3740440473).

The spelling of 1300220442 in words is "one billion, three hundred million, two hundred twenty thousand, four hundred forty-two".