22422404020 has 48 divisors (see below), whose sum is σ = 47441958480. Its totient is φ = 8901494784.

The previous prime is 22422403951. The next prime is 22422404083. The reversal of 22422404020 is 2040422422.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 74545956 + 22347858064 = 8634^2 + 149492^2 .

It is a super-2 number, since 2×22422404020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22422403982 and 22422404000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3064126 + ... + 3071434.

It is an arithmetic number, because the mean of its divisors is an integer number (988374135).

Almost surely, 2^22422404020 is an apocalyptic number.

22422404020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422404020 is an abundant number, since it is smaller than the sum of its proper divisors (25019554460).

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

22422404020 is a wasteful number, since it uses less digits than its factorization.

22422404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452 (or 8450 counting only the distinct ones).

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

Adding to 22422404020 its reverse (2040422422), we get a palindrome (24462826442).

The spelling of 22422404020 in words is "twenty-two billion, four hundred twenty-two million, four hundred four thousand, twenty".