2234721 has 8 divisors (see below), whose sum is σ = 2987104. Its totient is φ = 1486080.

The previous prime is 2234719. The next prime is 2234741. The reversal of 2234721 is 1274322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2234721 - 2¹ = 2234719 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁷ + 3² + 4⁶ + 7³ + 2²¹ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2234741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (373388).

2^2234721 is an apocalyptic number.

It is an amenable number.

2234721 is a deficient number, since it is larger than the sum of its proper divisors (752383).

2234721 is a wasteful number, since it uses less digits than its factorization.

2234721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 672, while the sum is 21.

The square root of 2234721 is about 1494.8983243017. The cubic root of 2234721 is about 130.7397860864.

It can be divided in two parts, 22 and 34721, that added together give a palindrome (34743).

The spelling of 2234721 in words is "two million, two hundred thirty-four thousand, seven hundred twenty-one".