22040420022 has 24 divisors (see below), whose sum is σ = 47760243960. Its totient is φ = 7345883520.

The previous prime is 22040420009. The next prime is 22040420111. The reversal of 22040420022 is 22002404022.

22040420022 is a `hidden beast` number, since 220 + 4 + 0 + 420 + 0 + 22 = 666.

22040420022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×22040420022² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22040419977 and 22040420004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78822 + ... + 224262.

It is an arithmetic number, because the mean of its divisors is an integer number (1990010165).

Almost surely, 2^22040420022 is an apocalyptic number.

22040420022 is an abundant number, since it is smaller than the sum of its proper divisors (25719823938).

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

22040420022 is a wasteful number, since it uses less digits than its factorization.

22040420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153868 (or 153865 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22040420022 its reverse (22002404022), we get a palindrome (44042824044).

The spelling of 22040420022 in words is "twenty-two billion, forty million, four hundred twenty thousand, twenty-two".