400222343065 has 8 divisors (see below), whose sum is σ = 480428589960. Its totient is φ = 320070022272.

The previous prime is 400222343041. The next prime is 400222343099. The reversal of 400222343065 is 560343222004.

It can be written as a sum of positive squares in 4 ways, for example, as 49299985296 + 350922357769 = 222036^2 + 592387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400222343065 - 2⁵ = 400222343033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13465194 + ... + 13494883.

It is an arithmetic number, because the mean of its divisors is an integer number (60053573745).

Almost surely, 2^400222343065 is an apocalyptic number.

It is an amenable number.

400222343065 is a deficient number, since it is larger than the sum of its proper divisors (80206246895).

400222343065 is a wasteful number, since it uses less digits than its factorization.

400222343065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26963051.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 400222343065 its reverse (560343222004), we get a palindrome (960565565069).

The spelling of 400222343065 in words is "four hundred billion, two hundred twenty-two million, three hundred forty-three thousand, sixty-five".