22542031072 has 96 divisors (see below), whose sum is σ = 51536217600. Its totient is φ = 9597772800.

The previous prime is 22542031069. The next prime is 22542031087. The reversal of 22542031072 is 27013024522.

It is a self number, because there is not a number n which added to its sum of digits gives 22542031072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576297 + ... + 614167.

It is an arithmetic number, because the mean of its divisors is an integer number (536835600).

Almost surely, 2^22542031072 is an apocalyptic number.

22542031072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22542031072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25768108800).

22542031072 is an abundant number, since it is smaller than the sum of its proper divisors (28994186528).

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

22542031072 is a wasteful number, since it uses less digits than its factorization.

22542031072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38000 (or 37992 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 22542031072 its reverse (27013024522), we get a palindrome (49555055594).

The spelling of 22542031072 in words is "twenty-two billion, five hundred forty-two million, thirty-one thousand, seventy-two".