7722016 has 12 divisors (see below), whose sum is σ = 15202782. Its totient is φ = 3860992.

The previous prime is 7721993. The next prime is 7722017. The reversal of 7722016 is 6102277.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 646416 = 2660^2 + 804^2 .

It is a super-2 number, since 2×7722016² = 119259062208512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7722017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120625 + ... + 120688.

Almost surely, 2^7722016 is an apocalyptic number.

7722016 is the 1758-th centered pentagonal number.

It is an amenable number.

7722016 is a deficient number, since it is larger than the sum of its proper divisors (7480766).

7722016 is a wasteful number, since it uses less digits than its factorization.

7722016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241323 (or 241315 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 7722016 is about 2778.8515613469. The cubic root of 7722016 is about 197.6561047503.

The spelling of 7722016 in words is "seven million, seven hundred twenty-two thousand, sixteen".