22244002004 has 24 divisors (see below), whose sum is σ = 44576477568. Its totient is φ = 9514185120.

The previous prime is 22244001977. The next prime is 22244002051. The reversal of 22244002004 is 40020044222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775607 + ... + 803774.

It is an arithmetic number, because the mean of its divisors is an integer number (1857353232).

Almost surely, 2^22244002004 is an apocalyptic number.

It is an amenable number.

22244002004 is an abundant number, since it is smaller than the sum of its proper divisors (22332475564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22244002004 is a wasteful number, since it uses less digits than its factorization.

22244002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579895 (or 1579893 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22244002004 its reverse (40020044222), we get a palindrome (62264046226).

The spelling of 22244002004 in words is "twenty-two billion, two hundred forty-four million, two thousand, four".