1630630122 has 48 divisors (see below), whose sum is σ = 3773390880. Its totient is φ = 468119520.

The previous prime is 1630630117. The next prime is 1630630139. The reversal of 1630630122 is 2210360361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1630630092 and 1630630101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45313 + ... + 72900.

It is an arithmetic number, because the mean of its divisors is an integer number (78612310).

Almost surely, 2^1630630122 is an apocalyptic number.

1630630122 is an abundant number, since it is smaller than the sum of its proper divisors (2142760758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1630630122 is a wasteful number, since it uses less digits than its factorization.

1630630122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118259 (or 118248 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1630630122 is about 40381.0614273573. The cubic root of 1630630122 is about 1177.0235532597.

Adding to 1630630122 its reverse (2210360361), we get a palindrome (3840990483).

The spelling of 1630630122 in words is "one billion, six hundred thirty million, six hundred thirty thousand, one hundred twenty-two".