1302220442 has 16 divisors (see below), whose sum is σ = 2086830240. Its totient is φ = 607633488.

The previous prime is 1302220429. The next prime is 1302220453. The reversal of 1302220442 is 2440222031.

It is an unprimeable number.

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, 253193 + ... + 258284.

It is an arithmetic number, because the mean of its divisors is an integer number (130426890).

Almost surely, 2^1302220442 is an apocalyptic number.

1302220442 is a deficient number, since it is larger than the sum of its proper divisors (784609798).

1302220442 is a wasteful number, since it uses less digits than its factorization.

1302220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511565.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1302220442 is about 36086.2916077560. The cubic root of 1302220442 is about 1092.0139077200.

Adding to 1302220442 its reverse (2440222031), we get a palindrome (3742442473).

The spelling of 1302220442 in words is "one billion, three hundred two million, two hundred twenty thousand, four hundred forty-two".