1630232242 has 16 divisors (see below), whose sum is σ = 2527173432. Its totient is φ = 788193280.

The previous prime is 1630232237. The next prime is 1630232257. The reversal of 1630232242 is 2422320361.

It can be written as a sum of positive squares in 4 ways, for example, as 65950641 + 1564281601 = 8121^2 + 39551^2 .

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, 78703 + ... + 97234.

Almost surely, 2^1630232242 is an apocalyptic number.

1630232242 is a deficient number, since it is larger than the sum of its proper divisors (896941190).

1630232242 is a wasteful number, since it uses less digits than its factorization.

1630232242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176093.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1630232242 is about 40376.1345599105. The cubic root of 1630232242 is about 1176.9278127194.

The spelling of 1630232242 in words is "one billion, six hundred thirty million, two hundred thirty-two thousand, two hundred forty-two".