22442403040 has 48 divisors (see below), whose sum is σ = 53251793280. Its totient is φ = 8937745920.

The previous prime is 22442403023. The next prime is 22442403041. The reversal of 22442403040 is 4030424422.

It is a super-2 number, since 2×22442403040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22442402996 and 22442403014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442403041) 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, 269616 + ... + 342895.

It is an arithmetic number, because the mean of its divisors is an integer number (1109412360).

Almost surely, 2^22442403040 is an apocalyptic number.

22442403040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442403040 is an abundant number, since it is smaller than the sum of its proper divisors (30809390240).

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

22442403040 is a wasteful number, since it uses less digits than its factorization.

22442403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612755 (or 612747 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22442403040 its reverse (4030424422), we get a palindrome (26472827462).

The spelling of 22442403040 in words is "twenty-two billion, four hundred forty-two million, four hundred three thousand, forty".