406224226397 has 8 divisors (see below), whose sum is σ = 443168077440. Its totient is φ = 369282771360.

The previous prime is 406224226381. The next prime is 406224226403. The reversal of 406224226397 is 793622422604.

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

It is a cyclic number.

It is not a de Polignac number, because 406224226397 - 2⁴ = 406224226381 is a prime.

It is a super-2 number, since 2×406224226397² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406224226297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234872 + ... + 931457.

It is an arithmetic number, because the mean of its divisors is an integer number (55396009680).

Almost surely, 2^406224226397 is an apocalyptic number.

It is an amenable number.

406224226397 is a deficient number, since it is larger than the sum of its proper divisors (36943851043).

406224226397 is a wasteful number, since it uses less digits than its factorization.

406224226397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198003.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 406224226397 in words is "four hundred six billion, two hundred twenty-four million, two hundred twenty-six thousand, three hundred ninety-seven".