22342121130 has 128 divisors (see below), whose sum is σ = 63698503680. Its totient is φ = 4907024640.

The previous prime is 22342121119. The next prime is 22342121171. The reversal of 22342121130 is 3112124322.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22342121097 and 22342121106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1276297 + ... + 1293683.

It is an arithmetic number, because the mean of its divisors is an integer number (497644560).

Almost surely, 2^22342121130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22342121130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31849251840).

22342121130 is an abundant number, since it is smaller than the sum of its proper divisors (41356382550).

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

22342121130 is a wasteful number, since it uses less digits than its factorization.

22342121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17644.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22342121130 its reverse (3112124322), we get a palindrome (25454245452).

The spelling of 22342121130 in words is "twenty-two billion, three hundred forty-two million, one hundred twenty-one thousand, one hundred thirty".