22012002404 has 24 divisors (see below), whose sum is σ = 44115939840. Its totient is φ = 9414014976.

The previous prime is 22012002401. The next prime is 22012002451. The reversal of 22012002404 is 40420021022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22012002401) 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, 807197 + ... + 834020.

It is an arithmetic number, because the mean of its divisors is an integer number (1838164160).

Almost surely, 2^22012002404 is an apocalyptic number.

It is an amenable number.

22012002404 is an abundant number, since it is smaller than the sum of its proper divisors (22103937436).

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

22012002404 is a wasteful number, since it uses less digits than its factorization.

22012002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641707 (or 1641705 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22012002404 its reverse (40420021022), we get a palindrome (62432023426).

The spelling of 22012002404 in words is "twenty-two billion, twelve million, two thousand, four hundred four".