1830722330 has 16 divisors (see below), whose sum is σ = 3314351304. Its totient is φ = 728055360.

The previous prime is 1830722317. The next prime is 1830722351. The reversal of 1830722330 is 332270381.

It can be written as a sum of positive squares in 4 ways, for example, as 1830213961 + 508369 = 42781^2 + 713^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1830722293 and 1830722302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527381 + ... + 530840.

Almost surely, 2^1830722330 is an apocalyptic number.

1830722330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1830722330 is a deficient number, since it is larger than the sum of its proper divisors (1483628974).

1830722330 is a wasteful number, since it uses less digits than its factorization.

1830722330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058401.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1830722330 is about 42786.9411152515. The cubic root of 1830722330 is about 1223.3221132265.

The spelling of 1830722330 in words is "one billion, eight hundred thirty million, seven hundred twenty-two thousand, three hundred thirty".