7223764 has 6 divisors (see below), whose sum is σ = 12641594. Its totient is φ = 3611880.

The previous prime is 7223761. The next prime is 7223767. The reversal of 7223764 is 4673227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7223761) and next prime (7223767).

It can be written as a sum of positive squares in only one way, i.e., 7128900 + 94864 = 2670^2 + 308^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223761) 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, 902967 + ... + 902974.

Almost surely, 2^7223764 is an apocalyptic number.

It is an amenable number.

7223764 is a deficient number, since it is larger than the sum of its proper divisors (5417830).

7223764 is a wasteful number, since it uses less digits than its factorization.

7223764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805945 (or 1805943 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 7223764 is about 2687.7060851217. The cubic root of 7223764 is about 193.3100870451.

The spelling of 7223764 in words is "seven million, two hundred twenty-three thousand, seven hundred sixty-four".