2239370121 has 16 divisors (see below), whose sum is σ = 3009174336. Its totient is φ = 1481270976.

The previous prime is 2239370099. The next prime is 2239370123. The reversal of 2239370121 is 1210739322.

It is not a de Polignac number, because 2239370121 - 2¹⁷ = 2239239049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2239370123) 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, 315811 + ... + 322823.

It is an arithmetic number, because the mean of its divisors is an integer number (188073396).

Almost surely, 2^2239370121 is an apocalyptic number.

It is an amenable number.

2239370121 is a deficient number, since it is larger than the sum of its proper divisors (769804215).

2239370121 is a wasteful number, since it uses less digits than its factorization.

2239370121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 2239370121 is about 47321.9834854796. The cubic root of 2239370121 is about 1308.3038711510.

The spelling of 2239370121 in words is "two billion, two hundred thirty-nine million, three hundred seventy thousand, one hundred twenty-one".