22134440550 has 24 divisors (see below), whose sum is σ = 54893412936. Its totient is φ = 5902517440.

The previous prime is 22134440527. The next prime is 22134440569. The reversal of 22134440550 is 5504443122.

It is a super-3 number, since 3×22134440550³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73781319 + ... + 73781618.

It is an arithmetic number, because the mean of its divisors is an integer number (2287225539).

Almost surely, 2^22134440550 is an apocalyptic number.

22134440550 is an abundant number, since it is smaller than the sum of its proper divisors (32758972386).

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

22134440550 is a wasteful number, since it uses less digits than its factorization.

22134440550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147562952 (or 147562947 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22134440550 its reverse (5504443122), we get a palindrome (27638883672).

The spelling of 22134440550 in words is "twenty-two billion, one hundred thirty-four million, four hundred forty thousand, five hundred fifty".