22273900992 has 294 divisors, whose sum is σ = 77096739888. Its totient is φ = 6363318528.

The previous prime is 22273900967. The next prime is 22273901009. The reversal of 22273900992 is 29900937222.

It is a tau number, because it is divible by the number of its divisors (294).

It is a super-3 number, since 3×22273900992³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 2281273 + ... + 2291015.

Almost surely, 2^22273900992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22273900992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38548369944).

22273900992 is an abundant number, since it is smaller than the sum of its proper divisors (54822838896).

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

22273900992 is an frugal number, since it uses more digits than its factorization.

22273900992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9787 (or 9755 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 22273900992 in words is "twenty-two billion, two hundred seventy-three million, nine hundred thousand, nine hundred ninety-two".