22455422130 has 64 divisors (see below), whose sum is σ = 55001825280. Its totient is φ = 5865290496.

The previous prime is 22455422113. The next prime is 22455422131. The reversal of 22455422130 is 3122455422.

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

It is not an unprimeable number, because it can be changed into a prime (22455422131) 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 31 ways as a sum of consecutive naturals, for example, 963151 + ... + 986189.

It is an arithmetic number, because the mean of its divisors is an integer number (859403520).

Almost surely, 2^22455422130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22455422130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27500912640).

22455422130 is an abundant number, since it is smaller than the sum of its proper divisors (32546403150).

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

22455422130 is a wasteful number, since it uses less digits than its factorization.

22455422130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23715.

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

Adding to 22455422130 its reverse (3122455422), we get a palindrome (25577877552).

The spelling of 22455422130 in words is "twenty-two billion, four hundred fifty-five million, four hundred twenty-two thousand, one hundred thirty".