22041213240 has 32 divisors (see below), whose sum is σ = 66123640080. Its totient is φ = 5877656832.

The previous prime is 22041213239. The next prime is 22041213253. The reversal of 22041213240 is 4231214022.

It is a congruent number.

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, 91838269 + ... + 91838508.

Almost surely, 2^22041213240 is an apocalyptic number.

22041213240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22041213240 is an abundant number, since it is smaller than the sum of its proper divisors (44082426840).

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

22041213240 is a wasteful number, since it uses less digits than its factorization.

22041213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183676791 (or 183676787 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22041213240 its reverse (4231214022), we get a palindrome (26272427262).

The spelling of 22041213240 in words is "twenty-two billion, forty-one million, two hundred thirteen thousand, two hundred forty".