22210331240 has 32 divisors (see below), whose sum is σ = 50016691080. Its totient is φ = 8876408832.

The previous prime is 22210331201. The next prime is 22210331261. The reversal of 22210331240 is 4213301222.

It can be written as a sum of positive squares in 4 ways, for example, as 22208748676 + 1582564 = 149026^2 + 1258^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194669 + ... + 286908.

Almost surely, 2^22210331240 is an apocalyptic number.

22210331240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210331240 is an abundant number, since it is smaller than the sum of its proper divisors (27806359840).

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

22210331240 is a wasteful number, since it uses less digits than its factorization.

22210331240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482741 (or 482737 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22210331240 its reverse (4213301222), we get a palindrome (26423632462).

The spelling of 22210331240 in words is "twenty-two billion, two hundred ten million, three hundred thirty-one thousand, two hundred forty".