7022845 has 4 divisors (see below), whose sum is σ = 8427420. Its totient is φ = 5618272.

The previous prime is 7022839. The next prime is 7022857. The reversal of 7022845 is 5482207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 5480281 = 1242^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 7022845 - 2⁹ = 7022333 is a prime.

7022845 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702280 + ... + 702289.

It is an arithmetic number, because the mean of its divisors is an integer number (2106855).

Almost surely, 2^7022845 is an apocalyptic number.

It is an amenable number.

7022845 is a deficient number, since it is larger than the sum of its proper divisors (1404575).

7022845 is a wasteful number, since it uses less digits than its factorization.

7022845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404574.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7022845 is about 2650.0650935402. The cubic root of 7022845 is about 191.5009918893.

The spelling of 7022845 in words is "seven million, twenty-two thousand, eight hundred forty-five".