630231422 has 8 divisors (see below), whose sum is σ = 977945400. Its totient is φ = 304249624.

The previous prime is 630231419. The next prime is 630231467. The reversal of 630231422 is 224132036.

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

It is a super-2 number, since 2×630231422² = 794383290552284168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5432972 + ... + 5433087.

It is an arithmetic number, because the mean of its divisors is an integer number (122243175).

Almost surely, 2^630231422 is an apocalyptic number.

630231422 is a deficient number, since it is larger than the sum of its proper divisors (347713978).

630231422 is a wasteful number, since it uses less digits than its factorization.

630231422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866090.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 630231422 is about 25104.4104093285. The cubic root of 630231422 is about 857.3668432439.

Adding to 630231422 its reverse (224132036), we get a palindrome (854363458).

The spelling of 630231422 in words is "six hundred thirty million, two hundred thirty-one thousand, four hundred twenty-two".