4238522 has 4 divisors (see below), whose sum is σ = 6357786. Its totient is φ = 2119260.

The previous prime is 4238519. The next prime is 4238543. The reversal of 4238522 is 2258324.

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., 3500641 + 737881 = 1871^2 + 859^2 .

It is a d-powerful number, because it can be written as 4⁴ + 2¹² + 3⁸ + 8³ + 5² + 2¹⁵ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4238491 and 4238500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059629 + ... + 1059632.

Almost surely, 2^4238522 is an apocalyptic number.

4238522 is a deficient number, since it is larger than the sum of its proper divisors (2119264).

4238522 is a wasteful number, since it uses less digits than its factorization.

4238522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119263.

The product of its digits is 3840, while the sum is 26.

The square root of 4238522 is about 2058.7671067899. The cubic root of 4238522 is about 161.8346379495.

The spelling of 4238522 in words is "four million, two hundred thirty-eight thousand, five hundred twenty-two".