22151150452 has 12 divisors (see below), whose sum is σ = 39421539360. Its totient is φ = 10887853496.

The previous prime is 22151150449. The next prime is 22151150543. The reversal of 22151150452 is 25405115122.

It is a self number, because there is not a number n which added to its sum of digits gives 22151150452.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46930168 + ... + 46930639.

It is an arithmetic number, because the mean of its divisors is an integer number (3285128280).

Almost surely, 2^22151150452 is an apocalyptic number.

It is an amenable number.

22151150452 is a deficient number, since it is larger than the sum of its proper divisors (17270388908).

22151150452 is a wasteful number, since it uses less digits than its factorization.

22151150452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93860870 (or 93860868 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 22151150452 its reverse (25405115122), we get a palindrome (47556265574).

The spelling of 22151150452 in words is "twenty-two billion, one hundred fifty-one million, one hundred fifty thousand, four hundred fifty-two".