22312022000 has 80 divisors (see below), whose sum is σ = 54062727264. Its totient is φ = 8906240000.

The previous prime is 22312021997. The next prime is 22312022023. The reversal of 22312022000 is 22021322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×22312022000³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970640 + ... + 993360.

Almost surely, 2^22312022000 is an apocalyptic number.

22312022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22312022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27031363632).

22312022000 is an abundant number, since it is smaller than the sum of its proper divisors (31750705264).

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

22312022000 is a wasteful number, since it uses less digits than its factorization.

22312022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235 (or 23219 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22312022000 its reverse (22021322), we get a palindrome (22334043322).

The spelling of 22312022000 in words is "twenty-two billion, three hundred twelve million, twenty-two thousand".