406663622 has 8 divisors (see below), whose sum is σ = 610649256. Its totient is φ = 203113872.

The previous prime is 406663619. The next prime is 406663643. The reversal of 406663622 is 226366604.

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

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, 106628 + ... + 110375.

It is an arithmetic number, because the mean of its divisors is an integer number (76331157).

Almost surely, 2^406663622 is an apocalyptic number.

406663622 is a deficient number, since it is larger than the sum of its proper divisors (203985634).

406663622 is a wasteful number, since it uses less digits than its factorization.

406663622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217942.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 406663622 is about 20165.9024593495. The cubic root of 406663622 is about 740.8752864189.

The spelling of 406663622 in words is "four hundred six million, six hundred sixty-three thousand, six hundred twenty-two".