7623228 has 24 divisors (see below), whose sum is σ = 17921232. Its totient is φ = 2521984.

The previous prime is 7623227. The next prime is 7623229. The reversal of 7623228 is 8223267.

It is an interprime number because it is at equal distance from previous prime (7623227) and next prime (7623229).

It is a super-2 number, since 2×7623228² = 116227210279968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁸ + 6⁸ + 2⁶ + 3¹¹ + 2⁹ + 2¹⁰ + 8² .

It is a junction number, because it is equal to n+sod(n) for n = 7623195 and 7623204.

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 7 ways as a sum of consecutive naturals, for example, 675 + ... + 3962.

It is an arithmetic number, because the mean of its divisors is an integer number (746718).

Almost surely, 2^7623228 is an apocalyptic number.

It is an amenable number.

7623228 is an abundant number, since it is smaller than the sum of its proper divisors (10298004).

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

7623228 is a wasteful number, since it uses less digits than its factorization.

7623228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781 (or 4779 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 7623228 is about 2761.0193769693. The cubic root of 7623228 is about 196.8096110383.

The spelling of 7623228 in words is "seven million, six hundred twenty-three thousand, two hundred twenty-eight".