22144001530 has 32 divisors (see below), whose sum is σ = 47022842880. Its totient is φ = 7347317760.

The previous prime is 22144001507. The next prime is 22144001533. The reversal of 22144001530 is 3510044122.

It is not an unprimeable number, because it can be changed into a prime (22144001533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5100135 + ... + 5104474.

It is an arithmetic number, because the mean of its divisors is an integer number (1469463840).

Almost surely, 2^22144001530 is an apocalyptic number.

22144001530 is an abundant number, since it is smaller than the sum of its proper divisors (24878841350).

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

22144001530 is a wasteful number, since it uses less digits than its factorization.

22144001530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204654.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 22144001530 its reverse (3510044122), we get a palindrome (25654045652).

The spelling of 22144001530 in words is "twenty-two billion, one hundred forty-four million, one thousand, five hundred thirty".