8422630 has 16 divisors (see below), whose sum is σ = 15531264. Its totient is φ = 3286720.

The previous prime is 8422627. The next prime is 8422649. The reversal of 8422630 is 362248.

It is a happy number.

It is a super-2 number, since 2×8422630² = 141881392233800, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8422595 and 8422604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9862 + ... + 10681.

It is an arithmetic number, because the mean of its divisors is an integer number (970704).

Almost surely, 2^8422630 is an apocalyptic number.

8422630 is a deficient number, since it is larger than the sum of its proper divisors (7108634).

8422630 is a wasteful number, since it uses less digits than its factorization.

8422630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20591.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8422630 is about 2902.1767692544. The cubic root of 8422630 is about 203.4616556892.

Adding to 8422630 its reverse (362248), we get a palindrome (8784878).

It can be divided in two parts, 842 and 2630, that multiplied together give a triangular number (2214460 = T₂₁₀₄).

The spelling of 8422630 in words is "eight million, four hundred twenty-two thousand, six hundred thirty".