630122271 has 8 divisors (see below), whose sum is σ = 840752640. Its totient is φ = 419786712.

The previous prime is 630122257. The next prime is 630122281. The reversal of 630122271 is 172221036.

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

It is not a de Polignac number, because 630122271 - 2¹¹ = 630120223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630122201) 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, 68665 + ... + 77298.

It is an arithmetic number, because the mean of its divisors is an integer number (105094080).

Almost surely, 2^630122271 is an apocalyptic number.

630122271 is a deficient number, since it is larger than the sum of its proper divisors (210630369).

630122271 is a wasteful number, since it uses less digits than its factorization.

630122271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147405.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 630122271 is about 25102.2363744747. The cubic root of 630122271 is about 857.3173440451.

The spelling of 630122271 in words is "six hundred thirty million, one hundred twenty-two thousand, two hundred seventy-one".