4222523 has 4 divisors (see below), whose sum is σ = 4254888. Its totient is φ = 4190160.

The previous prime is 4222513. The next prime is 4222529. The reversal of 4222523 is 3252224.

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

It is a cyclic number.

It is not a de Polignac number, because 4222523 - 2¹⁰ = 4221499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4222495 and 4222504.

It is not an unprimeable number, because it can be changed into a prime (4222529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15986 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (1063722).

Almost surely, 2^4222523 is an apocalyptic number.

4222523 is a deficient number, since it is larger than the sum of its proper divisors (32365).

4222523 is a wasteful number, since it uses less digits than its factorization.

4222523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32364.

The product of its digits is 960, while the sum is 20.

The square root of 4222523 is about 2054.8778552508. The cubic root of 4222523 is about 161.6307573673.

Adding to 4222523 its reverse (3252224), we get a palindrome (7474747).

Subtracting from 4222523 its reverse (3252224), we obtain a cube (970299 = 99³).

The spelling of 4222523 in words is "four million, two hundred twenty-two thousand, five hundred twenty-three".