2122543330 has 32 divisors (see below), whose sum is σ = 4087053936. Its totient is φ = 790831104.

The previous prime is 2122543259. The next prime is 2122543337. The reversal of 2122543330 is 333452212.

It can be written as a sum of positive squares in 8 ways, for example, as 1209717961 + 912825369 = 34781^2 + 30213^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2122543295 and 2122543304.

It is not an unprimeable number, because it can be changed into a prime (2122543337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47869 + ... + 80848.

Almost surely, 2^2122543330 is an apocalyptic number.

2122543330 is a deficient number, since it is larger than the sum of its proper divisors (1964510606).

2122543330 is a wasteful number, since it uses less digits than its factorization.

2122543330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128838.

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

The square root of 2122543330 is about 46071.0682532975. The cubic root of 2122543330 is about 1285.1451697489.

Adding to 2122543330 its reverse (333452212), we get a palindrome (2455995542).

The spelling of 2122543330 in words is "two billion, one hundred twenty-two million, five hundred forty-three thousand, three hundred thirty".