4272722 has 4 divisors (see below), whose sum is σ = 6409086. Its totient is φ = 2136360.

The previous prime is 4272707. The next prime is 4272727. The reversal of 4272722 is 2272724.

It is a happy number.

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., 2337841 + 1934881 = 1529^2 + 1391^2 .

It is a super-3 number, since 3×4272722³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4272691 and 4272700.

It is not an unprimeable number, because it can be changed into a prime (4272727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068179 + ... + 1068182.

Almost surely, 2^4272722 is an apocalyptic number.

4272722 is a deficient number, since it is larger than the sum of its proper divisors (2136364).

4272722 is a wasteful number, since it uses less digits than its factorization.

4272722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136363.

The product of its digits is 3136, while the sum is 26.

The square root of 4272722 is about 2067.0563611087. The cubic root of 4272722 is about 162.2687456133.

It can be divided in two parts, 4272 and 722, that added together give a palindrome (4994).

The spelling of 4272722 in words is "four million, two hundred seventy-two thousand, seven hundred twenty-two".