2154223532 has 12 divisors (see below), whose sum is σ = 3784227216. Its totient is φ = 1073015760.

The previous prime is 2154223499. The next prime is 2154223541. The reversal of 2154223532 is 2353224512.

It is a junction number, because it is equal to n+sod(n) for n = 2154223495 and 2154223504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022819 + ... + 1024922.

It is an arithmetic number, because the mean of its divisors is an integer number (315352268).

Almost surely, 2^2154223532 is an apocalyptic number.

It is an amenable number.

2154223532 is a deficient number, since it is larger than the sum of its proper divisors (1630003684).

2154223532 is a wasteful number, since it uses less digits than its factorization.

2154223532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048008 (or 2048006 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 2154223532 is about 46413.6136494456. The cubic root of 2154223532 is about 1291.5074683315.

The spelling of 2154223532 in words is "two billion, one hundred fifty-four million, two hundred twenty-three thousand, five hundred thirty-two".