400341622 has 4 divisors (see below), whose sum is σ = 600512436. Its totient is φ = 200170810.

The previous prime is 400341593. The next prime is 400341649. The reversal of 400341622 is 226143004.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 400341593 and 400341602.

It is a congruent 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 as a sum of consecutive naturals, namely, 100085404 + ... + 100085407.

It is an arithmetic number, because the mean of its divisors is an integer number (150128109).

Almost surely, 2^400341622 is an apocalyptic number.

400341622 is a deficient number, since it is larger than the sum of its proper divisors (200170814).

400341622 is a wasteful number, since it uses less digits than its factorization.

400341622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200170813.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 400341622 is about 20008.5387272534. The cubic root of 400341622 is about 737.0159977430.

Adding to 400341622 its reverse (226143004), we get a palindrome (626484626).

The spelling of 400341622 in words is "four hundred million, three hundred forty-one thousand, six hundred twenty-two".