422252266 has 16 divisors (see below), whose sum is σ = 640442880. Its totient is φ = 208779120.

The previous prime is 422252263. The next prime is 422252269. The reversal of 422252266 is 662252224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422252263) and next prime (422252269).

It is a super-2 number, since 2×422252266² = 356593952284269512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422252261) 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, 130731 + ... + 133921.

It is an arithmetic number, because the mean of its divisors is an integer number (40027680).

Almost surely, 2^422252266 is an apocalyptic number.

422252266 is a deficient number, since it is larger than the sum of its proper divisors (218190614).

422252266 is a wasteful number, since it uses less digits than its factorization.

422252266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909.

The product of its digits is 23040, while the sum is 31.

The square root of 422252266 is about 20548.7777252079. Note that the first 4 decimals coincide. The cubic root of 422252266 is about 750.2234984284.

The spelling of 422252266 in words is "four hundred twenty-two million, two hundred fifty-two thousand, two hundred sixty-six".