22003001004 has 24 divisors (see below), whose sum is σ = 51384211648. Its totient is φ = 7328065680.

The previous prime is 22003001003. The next prime is 22003001093. The reversal of 22003001004 is 40010030022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22003001003) 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, 768862 + ... + 796965.

Almost surely, 2^22003001004 is an apocalyptic number.

It is an amenable number.

22003001004 is an abundant number, since it is smaller than the sum of its proper divisors (29381210644).

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

22003001004 is a wasteful number, since it uses less digits than its factorization.

22003001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567005 (or 1567003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22003001004 its reverse (40010030022), we get a palindrome (62013031026).

The spelling of 22003001004 in words is "twenty-two billion, three million, one thousand, four".