2154230332 has 6 divisors (see below), whose sum is σ = 3769903088. Its totient is φ = 1077115164.

The previous prime is 2154230303. The next prime is 2154230369. The reversal of 2154230332 is 2330324512.

It is a junction number, because it is equal to n+sod(n) for n = 2154230297 and 2154230306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269278788 + ... + 269278795.

Almost surely, 2^2154230332 is an apocalyptic number.

It is an amenable number.

2154230332 is a deficient number, since it is larger than the sum of its proper divisors (1615672756).

2154230332 is a wasteful number, since it uses less digits than its factorization.

2154230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538557587 (or 538557585 counting only the distinct ones).

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

The square root of 2154230332 is about 46413.6869037572. The cubic root of 2154230332 is about 1291.5088272498.

Adding to 2154230332 its reverse (2330324512), we get a palindrome (4484554844).

The spelling of 2154230332 in words is "two billion, one hundred fifty-four million, two hundred thirty thousand, three hundred thirty-two".