22001221332330 has 16 divisors (see below), whose sum is σ = 52802931197664. Its totient is φ = 5866992355280.

The previous prime is 22001221332323. The next prime is 22001221332331. The reversal of 22001221332330 is 3323312210022.

It is a super-2 number, since 2×22001221332330² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22001221332330.

It is not an unprimeable number, because it can be changed into a prime (22001221332331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366687022176 + ... + 366687022235.

It is an arithmetic number, because the mean of its divisors is an integer number (3300183199854).

Almost surely, 2^{22001221332330} is an apocalyptic number.

22001221332330 is an abundant number, since it is smaller than the sum of its proper divisors (30801709865334).

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

22001221332330 is a wasteful number, since it uses less digits than its factorization.

22001221332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733374044421.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22001221332330 its reverse (3323312210022), we get a palindrome (25324533542352).

The spelling of 22001221332330 in words is "twenty-two trillion, one billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred thirty".