402224044 has 6 divisors (see below), whose sum is σ = 703892084. Its totient is φ = 201112020.

The previous prime is 402224041. The next prime is 402224051. The reversal of 402224044 is 440422204.

It is not an unprimeable number, because it can be changed into a prime (402224041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50278002 + ... + 50278009.

Almost surely, 2^402224044 is an apocalyptic number.

It is an amenable number.

402224044 is a deficient number, since it is larger than the sum of its proper divisors (301668040).

402224044 is a wasteful number, since it uses less digits than its factorization.

402224044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100556015 (or 100556013 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 402224044 is about 20055.5240270605. The cubic root of 402224044 is about 738.1693512936.

Adding to 402224044 its reverse (440422204), we get a palindrome (842646248).

The spelling of 402224044 in words is "four hundred two million, two hundred twenty-four thousand, forty-four".