22210432040 has 32 divisors (see below), whose sum is σ = 50291788680. Its totient is φ = 8827583232.

The previous prime is 22210432007. The next prime is 22210432091. The reversal of 22210432040 is 4023401222.

It can be written as a sum of positive squares in 4 ways, for example, as 17083012804 + 5127419236 = 130702^2 + 71606^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762067 + ... + 1774626.

Almost surely, 2^22210432040 is an apocalyptic number.

22210432040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210432040 is an abundant number, since it is smaller than the sum of its proper divisors (28081356640).

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

22210432040 is a wasteful number, since it uses less digits than its factorization.

22210432040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536861 (or 3536857 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22210432040 its reverse (4023401222), we get a palindrome (26233833262).

The spelling of 22210432040 in words is "twenty-two billion, two hundred ten million, four hundred thirty-two thousand, forty".