22031322051 has 8 divisors (see below), whose sum is σ = 30000098304. Its totient is φ = 14375046920.

The previous prime is 22031322037. The next prime is 22031322083. The reversal of 22031322051 is 15022313022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22031322051 - 2⁹ = 22031321539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22031322031) 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, 78125115 + ... + 78125396.

It is an arithmetic number, because the mean of its divisors is an integer number (3750012288).

Almost surely, 2^22031322051 is an apocalyptic number.

22031322051 is a deficient number, since it is larger than the sum of its proper divisors (7968776253).

22031322051 is a wasteful number, since it uses less digits than its factorization.

22031322051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156250561.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 22031322051 its reverse (15022313022), we get a palindrome (37053635073).

The spelling of 22031322051 in words is "twenty-two billion, thirty-one million, three hundred twenty-two thousand, fifty-one".