7772201 has 8 divisors (see below), whose sum is σ = 7934784. Its totient is φ = 7611120.

The previous prime is 7772189. The next prime is 7772209. The reversal of 7772201 is 1022777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7772201 - 2¹⁰ = 7771177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7772209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20651 + ... + 21023.

It is an arithmetic number, because the mean of its divisors is an integer number (991848).

Almost surely, 2^7772201 is an apocalyptic number.

It is an amenable number.

7772201 is a deficient number, since it is larger than the sum of its proper divisors (162583).

7772201 is a wasteful number, since it uses less digits than its factorization.

7772201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 7772201 is about 2787.8667471743. The cubic root of 7772201 is about 198.0833662480.

Adding to 7772201 its reverse (1022777), we get a palindrome (8794978).

The spelling of 7772201 in words is "seven million, seven hundred seventy-two thousand, two hundred one".