22442042002 has 4 divisors (see below), whose sum is σ = 33663063006. Its totient is φ = 11221021000.

The previous prime is 22442041943. The next prime is 22442042047. The reversal of 22442042002 is 20024024422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20753571721 + 1688470281 = 144061^2 + 41091^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610510499 + ... + 5610510502.

Almost surely, 2^22442042002 is an apocalyptic number.

22442042002 is a deficient number, since it is larger than the sum of its proper divisors (11221021004).

22442042002 is a wasteful number, since it uses less digits than its factorization.

22442042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221021003.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22442042002 its reverse (20024024422), we get a palindrome (42466066424).

The spelling of 22442042002 in words is "twenty-two billion, four hundred forty-two million, forty-two thousand, two".