400022606 has 8 divisors (see below), whose sum is σ = 600383784. Its totient is φ = 199894680.

The previous prime is 400022587. The next prime is 400022621. The reversal of 400022606 is 606220004.

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

It is a super-2 number, since 2×400022606² = 320036170622062472, which contains 22 as substring.

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, 53960 + ... + 60923.

It is an arithmetic number, because the mean of its divisors is an integer number (75047973).

Almost surely, 2^400022606 is an apocalyptic number.

400022606 is a deficient number, since it is larger than the sum of its proper divisors (200361178).

400022606 is a wasteful number, since it uses less digits than its factorization.

400022606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116626.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 400022606 is about 20000.5651420154. The cubic root of 400022606 is about 736.8201796693.

The spelling of 400022606 in words is "four hundred million, twenty-two thousand, six hundred six".