400300022 has 8 divisors (see below), whose sum is σ = 600650856. Its totient is φ = 200083072.

The previous prime is 400300007. The next prime is 400300039. The reversal of 400300022 is 220003004.

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

It is a super-2 number, since 2×400300022² = 320480215226400968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400299976 and 400300012.

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 in 3 ways as a sum of consecutive naturals, for example, 25628 + ... + 38175.

It is an arithmetic number, because the mean of its divisors is an integer number (75081357).

Almost surely, 2^400300022 is an apocalyptic number.

400300022 is a deficient number, since it is larger than the sum of its proper divisors (200350834).

400300022 is a wasteful number, since it uses less digits than its factorization.

400300022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66942.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 400300022 is about 20007.4991440710. The cubic root of 400300022 is about 736.9904687732.

Adding to 400300022 its reverse (220003004), we get a palindrome (620303026).

The spelling of 400300022 in words is "four hundred million, three hundred thousand, twenty-two".