7022681 has 4 divisors (see below), whose sum is σ = 7121664. Its totient is φ = 6923700.

The previous prime is 7022677. The next prime is 7022737. The reversal of 7022681 is 1862207.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1862207 = 241 ⋅7727.

It is a cyclic number.

It is not a de Polignac number, because 7022681 - 2² = 7022677 is a prime.

It is a super-2 number, since 2×7022681² = 98636096855522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7022681.

It is not an unprimeable number, because it can be changed into a prime (7022621) 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 3 ways as a sum of consecutive naturals, for example, 49385 + ... + 49526.

It is an arithmetic number, because the mean of its divisors is an integer number (1780416).

Almost surely, 2^7022681 is an apocalyptic number.

7022681 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7022681 is a deficient number, since it is larger than the sum of its proper divisors (98983).

7022681 is an equidigital number, since it uses as much as digits as its factorization.

7022681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98982.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 7022681 is about 2650.0341507233. The cubic root of 7022681 is about 191.4995012110.

Adding to 7022681 its reverse (1862207), we get a palindrome (8884888).

It can be divided in two parts, 70226 and 81, that added together give a palindrome (70307).

The spelling of 7022681 in words is "seven million, twenty-two thousand, six hundred eighty-one".