7222667 has 16 divisors (see below), whose sum is σ = 7898880. Its totient is φ = 6586272.

The previous prime is 7222661. The next prime is 7222673. The reversal of 7222667 is 7662227.

It is an interprime number because it is at equal distance from previous prime (7222661) and next prime (7222673).

It is a cyclic number.

It is not a de Polignac number, because 7222667 - 2¹⁶ = 7157131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7222661) 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 in 15 ways as a sum of consecutive naturals, for example, 66209 + ... + 66317.

It is an arithmetic number, because the mean of its divisors is an integer number (493680).

Almost surely, 2^7222667 is an apocalyptic number.

7222667 is a deficient number, since it is larger than the sum of its proper divisors (676213).

7222667 is a wasteful number, since it uses less digits than its factorization.

7222667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its digits is 14112, while the sum is 32.

The square root of 7222667 is about 2687.5019999993. The cubic root of 7222667 is about 193.3003012003.

The spelling of 7222667 in words is "seven million, two hundred twenty-two thousand, six hundred sixty-seven".