7722628 has 24 divisors (see below), whose sum is σ = 14081760. Its totient is φ = 3702720.

The previous prime is 7722623. The next prime is 7722629. The reversal of 7722628 is 8262277.

It is a junction number, because it is equal to n+sod(n) for n = 7722593 and 7722602.

It is not an unprimeable number, because it can be changed into a prime (7722623) 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, 9768 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (586740).

Almost surely, 2^7722628 is an apocalyptic number.

It is an amenable number.

7722628 is a deficient number, since it is larger than the sum of its proper divisors (6359132).

7722628 is a wasteful number, since it uses less digits than its factorization.

7722628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 7722628 is about 2778.9616765979. The cubic root of 7722628 is about 197.6613262857.

The spelling of 7722628 in words is "seven million, seven hundred twenty-two thousand, six hundred twenty-eight".