22022002420400 has 60 divisors (see below), whose sum is σ = 52913388737832. Its totient is φ = 8807880606720.

The previous prime is 22022002420393. The next prime is 22022002420469. The reversal of 22022002420400 is 402420022022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963464 + ... + 6706136.

Almost surely, 2^{22022002420400} is an apocalyptic number.

22022002420400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022002420400 is an abundant number, since it is smaller than the sum of its proper divisors (30891386317432).

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

22022002420400 is a wasteful number, since it uses less digits than its factorization.

22022002420400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752278 (or 5752267 counting only the distinct ones).

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

Adding to 22022002420400 its reverse (402420022022), we get a palindrome (22424422442422).

The spelling of 22022002420400 in words is "twenty-two trillion, twenty-two billion, two million, four hundred twenty thousand, four hundred".