240722000 has 80 divisors (see below), whose sum is σ = 597981072. Its totient is φ = 93657600.

The previous prime is 240721997. The next prime is 240722017. The reversal of 240722000 is 227042.

It can be written as a sum of positive squares in 8 ways, for example, as 99856 + 240622144 = 316^2 + 15512^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 240722000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72374 + ... + 75626.

Almost surely, 2^240722000 is an apocalyptic number.

240722000 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 240722000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298990536).

240722000 is an abundant number, since it is smaller than the sum of its proper divisors (357259072).

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

240722000 is a wasteful number, since it uses less digits than its factorization.

240722000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3297 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 240722000 is about 15515.2183355569. The cubic root of 240722000 is about 622.0690500708.

Adding to 240722000 its reverse (227042), we get a palindrome (240949042).

The spelling of 240722000 in words is "two hundred forty million, seven hundred twenty-two thousand".