22000042004 has 6 divisors (see below), whose sum is σ = 38500073514. Its totient is φ = 11000021000.

The previous prime is 22000041971. The next prime is 22000042013. The reversal of 22000042004 is 40024000022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19920499600 + 2079542404 = 141140^2 + 45602^2 .

It is a super-3 number, since 3×22000042004³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22000042004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750005247 + ... + 2750005254.

It is an arithmetic number, because the mean of its divisors is an integer number (6416678919).

Almost surely, 2^22000042004 is an apocalyptic number.

It is an amenable number.

22000042004 is a deficient number, since it is larger than the sum of its proper divisors (16500031510).

22000042004 is a wasteful number, since it uses less digits than its factorization.

22000042004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500010505 (or 5500010503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22000042004 its reverse (40024000022), we get a palindrome (62024042026).

The spelling of 22000042004 in words is "twenty-two billion, forty-two thousand, four".