22268723000 has 256 divisors, whose sum is σ = 55812931200. Its totient is φ = 8302694400.

The previous prime is 22268722979. The next prime is 22268723041. The reversal of 22268723000 is 32786222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141838922 + ... + 141839078.

Almost surely, 2^22268723000 is an apocalyptic number.

22268723000 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 22268723000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27906465600).

22268723000 is an abundant number, since it is smaller than the sum of its proper divisors (33544208200).

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

22268723000 is a wasteful number, since it uses less digits than its factorization.

22268723000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 22268723000 in words is "twenty-two billion, two hundred sixty-eight million, seven hundred twenty-three thousand".