402224345 has 16 divisors (see below), whose sum is σ = 521026560. Its totient is φ = 297173184.

The previous prime is 402224327. The next prime is 402224359. The reversal of 402224345 is 543422204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 402224345 - 2¹⁴ = 402207961 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 56969 + ... + 63638.

It is an arithmetic number, because the mean of its divisors is an integer number (32564160).

Almost surely, 2^402224345 is an apocalyptic number.

It is an amenable number.

402224345 is a deficient number, since it is larger than the sum of its proper divisors (118802215).

402224345 is a wasteful number, since it uses less digits than its factorization.

402224345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120664.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 402224345 is about 20055.5315312260. The cubic root of 402224345 is about 738.1695354273.

Adding to 402224345 its reverse (543422204), we get a palindrome (945646549).

The spelling of 402224345 in words is "four hundred two million, two hundred twenty-four thousand, three hundred forty-five".