422000240 has 40 divisors (see below), whose sum is σ = 982288320. Its totient is φ = 168604416.

The previous prime is 422000221. The next prime is 422000269. The reversal of 422000240 is 42000224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80582 + ... + 85658.

It is an arithmetic number, because the mean of its divisors is an integer number (24557208).

Almost surely, 2^422000240 is an apocalyptic number.

422000240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422000240 is an abundant number, since it is smaller than the sum of its proper divisors (560288080).

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

422000240 is a wasteful number, since it uses less digits than its factorization.

422000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129 (or 6123 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 422000240 is about 20542.6444256819. The cubic root of 422000240 is about 750.0742089534.

Adding to 422000240 its reverse (42000224), we get a palindrome (464000464).

The spelling of 422000240 in words is "four hundred twenty-two million, two hundred forty", and thus it is an aban number.