22003111004 has 24 divisors (see below), whose sum is σ = 45079546848. Its totient is φ = 9199906560.

The previous prime is 22003110991. The next prime is 22003111007. The reversal of 22003111004 is 40011130022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 22003111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003111007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9582089 + ... + 9584384.

It is an arithmetic number, because the mean of its divisors is an integer number (1878314452).

Almost surely, 2^22003111004 is an apocalyptic number.

It is an amenable number.

22003111004 is an abundant number, since it is smaller than the sum of its proper divisors (23076435844).

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

22003111004 is a wasteful number, since it uses less digits than its factorization.

22003111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19166525 (or 19166523 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22003111004 its reverse (40011130022), we get a palindrome (62014241026).

The spelling of 22003111004 in words is "twenty-two billion, three million, one hundred eleven thousand, four".