1202042422 has 48 divisors (see below), whose sum is σ = 2259366912. Its totient is φ = 476839440.

The previous prime is 1202042419. The next prime is 1202042423. The reversal of 1202042422 is 2242402021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202042422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202042423) 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 23 ways as a sum of consecutive naturals, for example, 61273 + ... + 78475.

It is an arithmetic number, because the mean of its divisors is an integer number (47070144).

Almost surely, 2^1202042422 is an apocalyptic number.

1202042422 is a deficient number, since it is larger than the sum of its proper divisors (1057324490).

1202042422 is a wasteful number, since it uses less digits than its factorization.

1202042422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17273 (or 17266 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1202042422 is about 34670.4834405291. The cubic root of 1202042422 is about 1063.2611155857.

Adding to 1202042422 its reverse (2242402021), we get a palindrome (3444444443).

The spelling of 1202042422 in words is "one billion, two hundred two million, forty-two thousand, four hundred twenty-two".