22042254040 has 32 divisors (see below), whose sum is σ = 49613244480. Its totient is φ = 8813670912.

The previous prime is 22042253977. The next prime is 22042254041. The reversal of 22042254040 is 4045224022.

It is a junction number, because it is equal to n+sod(n) for n = 22042253996 and 22042254014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042254041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11104 + ... + 210256.

It is an arithmetic number, because the mean of its divisors is an integer number (1550413890).

Almost surely, 2^22042254040 is an apocalyptic number.

22042254040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22042254040 is an abundant number, since it is smaller than the sum of its proper divisors (27570990440).

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

22042254040 is a wasteful number, since it uses less digits than its factorization.

22042254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201931 (or 201927 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22042254040 its reverse (4045224022), we get a palindrome (26087478062).

The spelling of 22042254040 in words is "twenty-two billion, forty-two million, two hundred fifty-four thousand, forty".