4538722 has 4 divisors (see below), whose sum is σ = 6808086. Its totient is φ = 2269360.

The previous prime is 4538717. The next prime is 4538731. The reversal of 4538722 is 2278354.

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., 3101121 + 1437601 = 1761^2 + 1199^2 .

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134679 + ... + 1134682.

Almost surely, 2^4538722 is an apocalyptic number.

4538722 is a deficient number, since it is larger than the sum of its proper divisors (2269364).

4538722 is a wasteful number, since it uses less digits than its factorization.

4538722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269363.

The product of its digits is 13440, while the sum is 31.

The square root of 4538722 is about 2130.4276565986. The cubic root of 4538722 is about 165.5685559177.

The spelling of 4538722 in words is "four million, five hundred thirty-eight thousand, seven hundred twenty-two".