2154201224 has 32 divisors (see below), whose sum is σ = 4620672000. Its totient is φ = 922323840.

The previous prime is 2154201211. The next prime is 2154201251. The reversal of 2154201224 is 4221024512.

It is a self number, because there is not a number n which added to its sum of digits gives 2154201224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40409 + ... + 77079.

It is an arithmetic number, because the mean of its divisors is an integer number (144396000).

Almost surely, 2^2154201224 is an apocalyptic number.

It is an amenable number.

2154201224 is an abundant number, since it is smaller than the sum of its proper divisors (2466470776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154201224 is a wasteful number, since it uses less digits than its factorization.

2154201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37733 (or 37729 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2154201224 is about 46413.3733314009. The cubic root of 2154201224 is about 1291.5030102599.

Adding to 2154201224 its reverse (4221024512), we get a palindrome (6375225736).

The spelling of 2154201224 in words is "two billion, one hundred fifty-four million, two hundred one thousand, two hundred twenty-four".