22321134 has 48 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 6673680.

The previous prime is 22321133. The next prime is 22321151. The reversal of 22321134 is 43112322.

It is a super-3 number, since 3×22321134³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14929 + ... + 16355.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^22321134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22321134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26732160).

22321134 is an abundant number, since it is smaller than the sum of its proper divisors (31143186).

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

22321134 is a wasteful number, since it uses less digits than its factorization.

22321134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1522 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 22321134 is about 4724.5247380028. The cubic root of 22321134 is about 281.5607315331.

Adding to 22321134 its reverse (43112322), we get a palindrome (65433456).

The spelling of 22321134 in words is "twenty-two million, three hundred twenty-one thousand, one hundred thirty-four".