22846740 has 144 divisors (see below), whose sum is σ = 78523200. Its totient is φ = 4935168.

The previous prime is 22846729. The next prime is 22846819. The reversal of 22846740 is 4764822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55656 + ... + 56064.

It is an arithmetic number, because the mean of its divisors is an integer number (545300).

Almost surely, 2^22846740 is an apocalyptic number.

22846740 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 22846740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39261600).

22846740 is an abundant number, since it is smaller than the sum of its proper divisors (55676460).

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

22846740 is a wasteful number, since it uses less digits than its factorization.

22846740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 22846740 is about 4779.8263566787. The cubic root of 22846740 is about 283.7536215390.

The spelling of 22846740 in words is "twenty-two million, eight hundred forty-six thousand, seven hundred forty".