22022042220400 has 60 divisors (see below), whose sum is σ = 52945034160312. Its totient is φ = 8802643697920.

The previous prime is 22022042220389. The next prime is 22022042220401. The reversal of 22022042220400 is 402224022022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022042220401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18719707 + ... + 19861306.

Almost surely, 2^{22022042220400} is an apocalyptic number.

22022042220400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022042220400 is an abundant number, since it is smaller than the sum of its proper divisors (30922991939912).

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

22022042220400 is a wasteful number, since it uses less digits than its factorization.

22022042220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38582458 (or 38582447 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22022042220400 its reverse (402224022022), we get a palindrome (22424266242422).

The spelling of 22022042220400 in words is "twenty-two trillion, twenty-two billion, forty-two million, two hundred twenty thousand, four hundred".