240421224 has 32 divisors (see below), whose sum is σ = 611244000. Its totient is φ = 78781632.

The previous prime is 240421201. The next prime is 240421249. The reversal of 240421224 is 422124042.

It is a self number, because there is not a number n which added to its sum of digits gives 240421224.

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, 83479 + ... + 86310.

It is an arithmetic number, because the mean of its divisors is an integer number (19101375).

Almost surely, 2^240421224 is an apocalyptic number.

240421224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

240421224 is an abundant number, since it is smaller than the sum of its proper divisors (370822776).

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

240421224 is a wasteful number, since it uses less digits than its factorization.

240421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169857 (or 169853 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 240421224 is about 15505.5223710780. The cubic root of 240421224 is about 621.8098556172.

Adding to 240421224 its reverse (422124042), we get a palindrome (662545266).

The spelling of 240421224 in words is "two hundred forty million, four hundred twenty-one thousand, two hundred twenty-four".