5623222 has 16 divisors (see below), whose sum is σ = 9249552. Its totient is φ = 2542720.

The previous prime is 5623217. The next prime is 5623229. The reversal of 5623222 is 2223265.

It is a happy number.

It is a super-2 number, since 2×5623222² = 63241251322568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 5⁵ + 6⁷ + 2³ + 3¹⁴ + 2⁷ + 2¹⁵ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 5623193 and 5623202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5623229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4578 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (578097).

Almost surely, 2^5623222 is an apocalyptic number.

5623222 is a deficient number, since it is larger than the sum of its proper divisors (3626330).

5623222 is a wasteful number, since it uses less digits than its factorization.

5623222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 1440, while the sum is 22.

The square root of 5623222 is about 2371.3333801893. Note that the first 4 decimals coincide. The cubic root of 5623222 is about 177.8259250090.

Adding to 5623222 its reverse (2223265), we get a palindrome (7846487).

The spelling of 5623222 in words is "five million, six hundred twenty-three thousand, two hundred twenty-two".