402224020243 has 4 divisors (see below), whose sum is σ = 402271276968. Its totient is φ = 402176763520.

The previous prime is 402224020213. The next prime is 402224020271. The reversal of 402224020243 is 342020422204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402224020243 - 2²⁵ = 402190465811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402224020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23615593 + ... + 23632618.

It is an arithmetic number, because the mean of its divisors is an integer number (100567819242).

Almost surely, 2^402224020243 is an apocalyptic number.

402224020243 is a deficient number, since it is larger than the sum of its proper divisors (47256725).

402224020243 is an equidigital number, since it uses as much as digits as its factorization.

402224020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47256724.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 402224020243 its reverse (342020422204), we get a palindrome (744244442447).

The spelling of 402224020243 in words is "four hundred two billion, two hundred twenty-four million, twenty thousand, two hundred forty-three".