22004342040 has 32 divisors (see below), whose sum is σ = 66013026480. Its totient is φ = 5867824512.

The previous prime is 22004342023. The next prime is 22004342047. The reversal of 22004342040 is 4024340022.

It is a super-2 number, since 2×22004342040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22004341998 and 22004342016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004342047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91684639 + ... + 91684878.

Almost surely, 2^22004342040 is an apocalyptic number.

22004342040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22004342040 is an abundant number, since it is smaller than the sum of its proper divisors (44008684440).

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

22004342040 is a wasteful number, since it uses less digits than its factorization.

22004342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183369531 (or 183369527 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22004342040 its reverse (4024340022), we get a palindrome (26028682062).

The spelling of 22004342040 in words is "twenty-two billion, four million, three hundred forty-two thousand, forty".