22400350516 has 12 divisors (see below), whose sum is σ = 39211062660. Its totient is φ = 11197189760.

The previous prime is 22400350513. The next prime is 22400350573. The reversal of 22400350516 is 61505300422.

It can be written as a sum of positive squares in 2 ways, for example, as 7217182116 + 15183168400 = 84954^2 + 123220^2 .

It is a super-2 number, since 2×22400350516² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400350513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 729451 + ... + 759538.

It is an arithmetic number, because the mean of its divisors is an integer number (3267588555).

Almost surely, 2^22400350516 is an apocalyptic number.

It is an amenable number.

22400350516 is a deficient number, since it is larger than the sum of its proper divisors (16810712144).

22400350516 is a wasteful number, since it uses less digits than its factorization.

22400350516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492754 (or 1492752 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22400350516 its reverse (61505300422), we get a palindrome (83905650938).

The spelling of 22400350516 in words is "twenty-two billion, four hundred million, three hundred fifty thousand, five hundred sixteen".