406222268 has 6 divisors (see below), whose sum is σ = 710888976. Its totient is φ = 203111132.

The previous prime is 406222253. The next prime is 406222277. The reversal of 406222268 is 862222604.

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, 50777780 + ... + 50777787.

It is an arithmetic number, because the mean of its divisors is an integer number (118481496).

Almost surely, 2^406222268 is an apocalyptic number.

It is an amenable number.

406222268 is a deficient number, since it is larger than the sum of its proper divisors (304666708).

406222268 is a wasteful number, since it uses less digits than its factorization.

406222268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101555571 (or 101555569 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 406222268 is about 20154.9564127537. The cubic root of 406222268 is about 740.6071642176.

The spelling of 406222268 in words is "four hundred six million, two hundred twenty-two thousand, two hundred sixty-eight".