22222022230000 has 50 divisors (see below), whose sum is σ = 53801738045264. Its totient is φ = 8888808888000.

The previous prime is 22222022229997. The next prime is 22222022230021. The reversal of 22222022230000 is 3222022222.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×22222022230000² (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 22222022230000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1111091112 + ... + 1111111111.

Almost surely, 2^{22222022230000} is an apocalyptic number.

22222022230000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222022230000 is an abundant number, since it is smaller than the sum of its proper divisors (31579715815264).

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

22222022230000 is an equidigital number, since it uses as much as digits as its factorization.

22222022230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222202251 (or 2222202230 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22222022230000 its reverse (3222022222), we get a palindrome (22225244252222).

The spelling of 22222022230000 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-two million, two hundred thirty thousand".