404222627 has 2 divisors, whose sum is σ = 404222628. Its totient is φ = 404222626.

The previous prime is 404222597. The next prime is 404222641. The reversal of 404222627 is 726222404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404222627 - 2¹² = 404218531 is a prime.

It is a super-2 number, since 2×404222627² = 326791864357562258, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404222627.

It is not a weakly prime, because it can be changed into another prime (404222647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202111313 + 202111314.

It is an arithmetic number, because the mean of its divisors is an integer number (202111314).

Almost surely, 2^404222627 is an apocalyptic number.

404222627 is a deficient number, since it is larger than the sum of its proper divisors (1).

404222627 is an equidigital number, since it uses as much as digits as its factorization.

404222627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 404222627 is about 20105.2885331198. The cubic root of 404222627 is about 739.3899446159.

The spelling of 404222627 in words is "four hundred four million, two hundred twenty-two thousand, six hundred twenty-seven".