242224040 has 32 divisors (see below), whose sum is σ = 568702080. Its totient is φ = 92676672.

The previous prime is 242224013. The next prime is 242224043. The reversal of 242224040 is 40422242.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (242224043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130724 + ... + 132563.

It is an arithmetic number, because the mean of its divisors is an integer number (17771940).

Almost surely, 2^242224040 is an apocalyptic number.

242224040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242224040 is an abundant number, since it is smaller than the sum of its proper divisors (326478040).

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

242224040 is a wasteful number, since it uses less digits than its factorization.

242224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263321 (or 263317 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 242224040 is about 15563.5484385792. The cubic root of 242224040 is about 623.3602156676.

Adding to 242224040 its reverse (40422242), we get a palindrome (282646282).

It can be divided in two parts, 2422 and 24040, that added together give a palindrome (26462).

The spelling of 242224040 in words is "two hundred forty-two million, two hundred twenty-four thousand, forty".