400050422 has 4 divisors (see below), whose sum is σ = 600075636. Its totient is φ = 200025210.

The previous prime is 400050419. The next prime is 400050433. The reversal of 400050422 is 224050004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 400050422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100012604 + ... + 100012607.

It is an arithmetic number, because the mean of its divisors is an integer number (150018909).

Almost surely, 2^400050422 is an apocalyptic number.

400050422 is a deficient number, since it is larger than the sum of its proper divisors (200025214).

400050422 is a wasteful number, since it uses less digits than its factorization.

400050422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200025213.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 400050422 is about 20001.2605102778. The cubic root of 400050422 is about 736.8372578000.

It can be divided in two parts, 4000504 and 22, that multiplied together give a palindrome (88011088).

The spelling of 400050422 in words is "four hundred million, fifty thousand, four hundred twenty-two".