2154232330 has 32 divisors (see below), whose sum is σ = 3907270224. Its totient is φ = 855123456.

The previous prime is 2154232321. The next prime is 2154232337. The reversal of 2154232330 is 332324512.

It can be written as a sum of positive squares in 8 ways, for example, as 2149527769 + 4704561 = 46363^2 + 2169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2154232295 and 2154232304.

It is not an unprimeable number, because it can be changed into a prime (2154232337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1481884 + ... + 1483336.

Almost surely, 2^2154232330 is an apocalyptic number.

2154232330 is a deficient number, since it is larger than the sum of its proper divisors (1753037894).

2154232330 is a wasteful number, since it uses less digits than its factorization.

2154232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2154232330 is about 46413.7084275756. The cubic root of 2154232330 is about 1291.5092265314.

Adding to 2154232330 its reverse (332324512), we get a palindrome (2486556842).

The spelling of 2154232330 in words is "two billion, one hundred fifty-four million, two hundred thirty-two thousand, three hundred thirty".