1630494622 has 4 divisors (see below), whose sum is σ = 2445741936. Its totient is φ = 815247310.

The previous prime is 1630494589. The next prime is 1630494641. The reversal of 1630494622 is 2264940361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407623654 + ... + 407623657.

It is an arithmetic number, because the mean of its divisors is an integer number (611435484).

Almost surely, 2^1630494622 is an apocalyptic number.

1630494622 is a deficient number, since it is larger than the sum of its proper divisors (815247314).

1630494622 is an equidigital number, since it uses as much as digits as its factorization.

1630494622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815247313.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1630494622 is about 40379.3836258059. The cubic root of 1630494622 is about 1176.9909500946.

The spelling of 1630494622 in words is "one billion, six hundred thirty million, four hundred ninety-four thousand, six hundred twenty-two".