22400312334 has 32 divisors (see below), whose sum is σ = 44990090496. Its totient is φ = 7435229760.

The previous prime is 22400312317. The next prime is 22400312353. The reversal of 22400312334 is 43321300422.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3211719 + ... + 3218685.

It is an arithmetic number, because the mean of its divisors is an integer number (1405940328).

Almost surely, 2^22400312334 is an apocalyptic number.

22400312334 is an abundant number, since it is smaller than the sum of its proper divisors (22589778162).

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

22400312334 is a wasteful number, since it uses less digits than its factorization.

22400312334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22400312334 its reverse (43321300422), we get a palindrome (65721612756).

The spelling of 22400312334 in words is "twenty-two billion, four hundred million, three hundred twelve thousand, three hundred thirty-four".