1442220002 has 8 divisors (see below), whose sum is σ = 2163660012. Its totient is φ = 721000000.

The previous prime is 1442219917. The next prime is 1442220029. The reversal of 1442220002 is 2000222441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1300395721 + 141824281 = 36061^2 + 11909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37499 + ... + 65502.

Almost surely, 2^1442220002 is an apocalyptic number.

1442220002 is a deficient number, since it is larger than the sum of its proper divisors (721440010).

1442220002 is a wasteful number, since it uses less digits than its factorization.

1442220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110004.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1442220002 is about 37976.5717515418. The cubic root of 1442220002 is about 1129.8232427732.

Adding to 1442220002 its reverse (2000222441), we get a palindrome (3442442443).

The spelling of 1442220002 in words is "one billion, four hundred forty-two million, two hundred twenty thousand, two".