22042235532 has 24 divisors (see below), whose sum is σ = 51579262000. Its totient is φ = 7326357696.

The previous prime is 22042235531. The next prime is 22042235533. The reversal of 22042235532 is 23553224022.

It is an interprime number because it is at equal distance from previous prime (22042235531) and next prime (22042235533).

It is a self number, because there is not a number n which added to its sum of digits gives 22042235532.

It is not an unprimeable number, because it can be changed into a prime (22042235531) 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, 2627407 + ... + 2635782.

Almost surely, 2^22042235532 is an apocalyptic number.

It is an amenable number.

22042235532 is an abundant number, since it is smaller than the sum of its proper divisors (29537026468).

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

22042235532 is a wasteful number, since it uses less digits than its factorization.

22042235532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263545 (or 5263543 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 22042235532 its reverse (23553224022), we get a palindrome (45595459554).

The spelling of 22042235532 in words is "twenty-two billion, forty-two million, two hundred thirty-five thousand, five hundred thirty-two".