22731742000 has 160 divisors (see below), whose sum is σ = 61898323968. Its totient is φ = 7999200000.

The previous prime is 22731741983. The next prime is 22731742027. The reversal of 22731742000 is 24713722.

It is a self number, because there is not a number n which added to its sum of digits gives 22731742000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665335 + ... + 698665.

Almost surely, 2^22731742000 is an apocalyptic number.

22731742000 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 22731742000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30949161984).

22731742000 is an abundant number, since it is smaller than the sum of its proper divisors (39166581968).

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

22731742000 is a wasteful number, since it uses less digits than its factorization.

22731742000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33396 (or 33380 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The spelling of 22731742000 in words is "twenty-two billion, seven hundred thirty-one million, seven hundred forty-two thousand".