2239722 has 12 divisors (see below), whose sum is σ = 4852770. Its totient is φ = 746568.

The previous prime is 2239711. The next prime is 2239723. The reversal of 2239722 is 2279322.

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 16641 = 1491^2 + 129^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2239723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62197 + ... + 62232.

2^2239722 is an apocalyptic number.

2239722 is an abundant number, since it is smaller than the sum of its proper divisors (2613048).

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

2239722 is a wasteful number, since it uses less digits than its factorization.

2239722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124437 (or 124434 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2239722 is about 1496.5700785463. The cubic root of 2239722 is about 130.8372393477.

The spelling of 2239722 in words is "two million, two hundred thirty-nine thousand, seven hundred twenty-two".