7722164 has 6 divisors (see below), whose sum is σ = 13513794. Its totient is φ = 3861080.

The previous prime is 7722163. The next prime is 7722167. The reversal of 7722164 is 4612277.

It can be written as a sum of positive squares in only one way, i.e., 7606564 + 115600 = 2758^2 + 340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965267 + ... + 965274.

It is an arithmetic number, because the mean of its divisors is an integer number (2252299).

Almost surely, 2^7722164 is an apocalyptic number.

It is an amenable number.

7722164 is a deficient number, since it is larger than the sum of its proper divisors (5791630).

7722164 is a wasteful number, since it uses less digits than its factorization.

7722164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930545 (or 1930543 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 7722164 is about 2778.8781909253. The cubic root of 7722164 is about 197.6573674998.

It can be divided in two parts, 77 and 22164, that multiplied together give a triangular number (1706628 = T₁₈₄₇).

The spelling of 7722164 in words is "seven million, seven hundred twenty-two thousand, one hundred sixty-four".