22001022330 has 64 divisors (see below), whose sum is σ = 60372787968. Its totient is φ = 5026544640.

The previous prime is 22001022319. The next prime is 22001022331. The reversal of 22001022330 is 3322010022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22001022331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469234 + ... + 513986.

It is an arithmetic number, because the mean of its divisors is an integer number (943324812).

Almost surely, 2^22001022330 is an apocalyptic number.

22001022330 is an abundant number, since it is smaller than the sum of its proper divisors (38371765638).

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

22001022330 is a wasteful number, since it uses less digits than its factorization.

22001022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47111.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22001022330 its reverse (3322010022), we get a palindrome (25323032352).

The spelling of 22001022330 in words is "twenty-two billion, one million, twenty-two thousand, three hundred thirty".