4259722 has 4 divisors (see below), whose sum is σ = 6389586. Its totient is φ = 2129860.

The previous prime is 4259719. The next prime is 4259729. The reversal of 4259722 is 2279524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3956121 + 303601 = 1989^2 + 551^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4259729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064929 + ... + 1064932.

Almost surely, 2^4259722 is an apocalyptic number.

4259722 is a deficient number, since it is larger than the sum of its proper divisors (2129864).

4259722 is a wasteful number, since it uses less digits than its factorization.

4259722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129863.

The product of its digits is 10080, while the sum is 31.

The square root of 4259722 is about 2063.9093972362. The cubic root of 4259722 is about 162.1040077924.

The spelling of 4259722 in words is "four million, two hundred fifty-nine thousand, seven hundred twenty-two".