2247939121 has 16 divisors (see below), whose sum is σ = 2423536848. Its totient is φ = 2077286400.

The previous prime is 2247939097. The next prime is 2247939131. The reversal of 2247939121 is 1219397422.

2247939121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 21986721 + 2225952400 = 4689^2 + 47180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247939121 - 2²³ = 2239550513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2247939131) 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, 696291 + ... + 699511.

It is an arithmetic number, because the mean of its divisors is an integer number (151471053).

Almost surely, 2^2247939121 is an apocalyptic number.

It is an amenable number.

2247939121 is a deficient number, since it is larger than the sum of its proper divisors (175597727).

2247939121 is a wasteful number, since it uses less digits than its factorization.

2247939121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its digits is 54432, while the sum is 40.

The square root of 2247939121 is about 47412.4363537669. The cubic root of 2247939121 is about 1309.9704985295.

The spelling of 2247939121 in words is "two billion, two hundred forty-seven million, nine hundred thirty-nine thousand, one hundred twenty-one".