400222343152 has 20 divisors (see below), whose sum is σ = 775445294416. Its totient is φ = 200107428480.

The previous prime is 400222343149. The next prime is 400222343197. The reversal of 400222343152 is 251343222004.

It is a self number, because there is not a number n which added to its sum of digits gives 400222343152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781813 + ... + 1188139.

Almost surely, 2^400222343152 is an apocalyptic number.

It is an amenable number.

400222343152 is a deficient number, since it is larger than the sum of its proper divisors (375222951264).

400222343152 is a wasteful number, since it uses less digits than its factorization.

400222343152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467896 (or 467890 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 400222343152 its reverse (251343222004), we get a palindrome (651565565156).

The spelling of 400222343152 in words is "four hundred billion, two hundred twenty-two million, three hundred forty-three thousand, one hundred fifty-two".