224405442 has 12 divisors (see below), whose sum is σ = 486211830. Its totient is φ = 74801808.

The previous prime is 224405437. The next prime is 224405501. The reversal of 224405442 is 244504422.

It can be written as a sum of positive squares in only one way, i.e., 183304521 + 41100921 = 13539^2 + 6411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6233467 + ... + 6233502.

Almost surely, 2^224405442 is an apocalyptic number.

224405442 is an abundant number, since it is smaller than the sum of its proper divisors (261806388).

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

224405442 is a wasteful number, since it uses less digits than its factorization.

224405442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12466977 (or 12466974 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 224405442 is about 14980.1682901094. The cubic root of 224405442 is about 607.6839904013.

Adding to 224405442 its reverse (244504422), we get a palindrome (468909864).

The spelling of 224405442 in words is "two hundred twenty-four million, four hundred five thousand, four hundred forty-two".