422626 has 4 divisors (see below), whose sum is σ = 633942. Its totient is φ = 211312.

The previous prime is 422621. The next prime is 422627. The reversal of 422626 is 626224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 303601 + 119025 = 551^2 + 345^2 .

It is a super-2 number, since 2×422626² = 357225471752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422597 and 422606.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422626.

It is not an unprimeable number, because it can be changed into a prime (422621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105655 + ... + 105658.

2⁴²²⁶²⁶ is an apocalyptic number.

422626 is a deficient number, since it is larger than the sum of its proper divisors (211316).

422626 is a wasteful number, since it uses less digits than its factorization.

422626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211315.

The product of its digits is 1152, while the sum is 22.

The square root of 422626 is about 650.0969158518. The cubic root of 422626 is about 75.0444773221.

The spelling of 422626 in words is "four hundred twenty-two thousand, six hundred twenty-six".