940342224 has 80 divisors (see below), whose sum is σ = 2567246400. Its totient is φ = 295769088.

The previous prime is 940342223. The next prime is 940342229. The reversal of 940342224 is 422243049.

It is a Cunningham number, because it is equal to 30665²-1.

It is a junction number, because it is equal to n+sod(n) for n = 940342191 and 940342200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940342223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243412 + ... + 247244.

It is an arithmetic number, because the mean of its divisors is an integer number (32090580).

Almost surely, 2^940342224 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 940342224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283623200).

940342224 is an abundant number, since it is smaller than the sum of its proper divisors (1626904176).

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

940342224 is a wasteful number, since it uses less digits than its factorization.

940342224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 940342224 is about 30664.9999836948. Note that the first 4 decimals coincide. The cubic root of 940342224 is about 979.7049729714.

The spelling of 940342224 in words is "nine hundred forty million, three hundred forty-two thousand, two hundred twenty-four".