7722501 has 4 divisors (see below), whose sum is σ = 10296672. Its totient is φ = 5148332.

The previous prime is 7722479. The next prime is 7722527. The reversal of 7722501 is 1052277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7722501 - 2⁷ = 7722373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287081 + ... + 1287086.

It is an arithmetic number, because the mean of its divisors is an integer number (2574168).

Almost surely, 2^7722501 is an apocalyptic number.

It is an amenable number.

7722501 is a deficient number, since it is larger than the sum of its proper divisors (2574171).

7722501 is a wasteful number, since it uses less digits than its factorization.

7722501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574170.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 7722501 is about 2778.9388262429. The cubic root of 7722501 is about 197.6602427545.

Adding to 7722501 its reverse (1052277), we get a palindrome (8774778).

It can be divided in two parts, 77 and 22501, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 7722501 in words is "seven million, seven hundred twenty-two thousand, five hundred one".