22420403404 has 48 divisors (see below), whose sum is σ = 46902643200. Its totient is φ = 9168926976.

The previous prime is 22420403371. The next prime is 22420403407. The reversal of 22420403404 is 40430402422.

It is not an unprimeable number, because it can be changed into a prime (22420403407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228292 + ... + 311380.

It is an arithmetic number, because the mean of its divisors is an integer number (977138400).

Almost surely, 2^22420403404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420403404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23451321600).

22420403404 is an abundant number, since it is smaller than the sum of its proper divisors (24482239796).

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

22420403404 is a wasteful number, since it uses less digits than its factorization.

22420403404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83542 (or 83540 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22420403404 its reverse (40430402422), we get a palindrome (62850805826).

The spelling of 22420403404 in words is "twenty-two billion, four hundred twenty million, four hundred three thousand, four hundred four".