1630722230 has 16 divisors (see below), whose sum is σ = 2935936800. Its totient is φ = 652147392.

The previous prime is 1630722227. The next prime is 1630722259. The reversal of 1630722230 is 322270361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630722230.

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, 39527 + ... + 69453.

It is an arithmetic number, because the mean of its divisors is an integer number (183496050).

Almost surely, 2^1630722230 is an apocalyptic number.

1630722230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1630722230 is a deficient number, since it is larger than the sum of its proper divisors (1305214570).

1630722230 is a wasteful number, since it uses less digits than its factorization.

1630722230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35383.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1630722230 is about 40382.2018963800. The cubic root of 1630722230 is about 1177.0457146812.

Adding to 1630722230 its reverse (322270361), we get a palindrome (1952992591).

The spelling of 1630722230 in words is "one billion, six hundred thirty million, seven hundred twenty-two thousand, two hundred thirty".