2129248722 has 32 divisors (see below), whose sum is σ = 4276793664. Its totient is φ = 706708800.

The previous prime is 2129248721. The next prime is 2129248739. The reversal of 2129248722 is 2278429212.

It is not an unprimeable number, because it can be changed into a prime (2129248721) 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, 2593072 + ... + 2593892.

It is an arithmetic number, because the mean of its divisors is an integer number (133649802).

Almost surely, 2^2129248722 is an apocalyptic number.

2129248722 is an abundant number, since it is smaller than the sum of its proper divisors (2147544942).

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

2129248722 is a wasteful number, since it uses less digits than its factorization.

2129248722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154.

The product of its digits is 64512, while the sum is 39.

The square root of 2129248722 is about 46143.7831348926. The cubic root of 2129248722 is about 1286.4970610407.

The spelling of 2129248722 in words is "two billion, one hundred twenty-nine million, two hundred forty-eight thousand, seven hundred twenty-two".