22222046020 has 12 divisors (see below), whose sum is σ = 46666296684. Its totient is φ = 8888818400.

The previous prime is 22222046003. The next prime is 22222046023. The reversal of 22222046020 is 2064022222.

It can be written as a sum of positive squares in 2 ways, for example, as 15559568644 + 6662477376 = 124738^2 + 81624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22222045982 and 22222046000.

It is not an unprimeable number, because it can be changed into a prime (22222046023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555551131 + ... + 555551170.

It is an arithmetic number, because the mean of its divisors is an integer number (3888858057).

Almost surely, 2^22222046020 is an apocalyptic number.

22222046020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222046020 is an abundant number, since it is smaller than the sum of its proper divisors (24444250664).

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

22222046020 is a wasteful number, since it uses less digits than its factorization.

22222046020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111102310 (or 1111102308 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22222046020 its reverse (2064022222), we get a palindrome (24286068242).

The spelling of 22222046020 in words is "twenty-two billion, two hundred twenty-two million, forty-six thousand, twenty".