224332040 has 32 divisors (see below), whose sum is σ = 514275480. Its totient is φ = 88038912.

The previous prime is 224332039. The next prime is 224332049. The reversal of 224332040 is 40233422.

It can be written as a sum of positive squares in 4 ways, for example, as 223861444 + 470596 = 14962^2 + 686^2 .

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 (224332049) 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, 50789 + ... + 55028.

Almost surely, 2^224332040 is an apocalyptic number.

224332040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224332040 is an abundant number, since it is smaller than the sum of its proper divisors (289943440).

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

224332040 is a wasteful number, since it uses less digits than its factorization.

224332040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105881 (or 105877 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 224332040 is about 14977.7181172567. The cubic root of 224332040 is about 607.6177262856.

Adding to 224332040 its reverse (40233422), we get a palindrome (264565462).

The spelling of 224332040 in words is "two hundred twenty-four million, three hundred thirty-two thousand, forty".