22051233152 has 64 divisors (see below), whose sum is σ = 47406030000. Its totient is φ = 10156713984.

The previous prime is 22051233133. The next prime is 22051233167. The reversal of 22051233152 is 25133215022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817058 + ... + 843614.

Almost surely, 2^22051233152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22051233152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23703015000).

22051233152 is an abundant number, since it is smaller than the sum of its proper divisors (25354796848).

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

22051233152 is a wasteful number, since it uses less digits than its factorization.

22051233152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27083 (or 27071 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 22051233152 its reverse (25133215022), we get a palindrome (47184448174).

The spelling of 22051233152 in words is "twenty-two billion, fifty-one million, two hundred thirty-three thousand, one hundred fifty-two".