7623222 has 8 divisors (see below), whose sum is σ = 15246456. Its totient is φ = 2541072.

The previous prime is 7623211. The next prime is 7623227. The reversal of 7623222 is 2223267.

It is a sphenic number, since it is the product of 3 distinct primes.

7623222 is an admirable number.

It is a super-2 number, since 2×7623222² = 116227027322568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7623192 and 7623201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7623227) 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, 635263 + ... + 635274.

It is an arithmetic number, because the mean of its divisors is an integer number (1905807).

Almost surely, 2^7623222 is an apocalyptic number.

7623222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7623222 is a wasteful number, since it uses less digits than its factorization.

7623222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270542.

The product of its digits is 2016, while the sum is 24.

The square root of 7623222 is about 2761.0182904139. The cubic root of 7623222 is about 196.8095594041.

Adding to 7623222 its reverse (2223267), we get a palindrome (9846489).

The spelling of 7623222 in words is "seven million, six hundred twenty-three thousand, two hundred twenty-two".