7022409 has 4 divisors (see below), whose sum is σ = 9363216. Its totient is φ = 4681604.

The previous prime is 7022371. The next prime is 7022417. The reversal of 7022409 is 9042207.

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 7022409 - 2¹¹ = 7020361 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (7002409) 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, 1170399 + ... + 1170404.

It is an arithmetic number, because the mean of its divisors is an integer number (2340804).

Almost surely, 2^7022409 is an apocalyptic number.

It is an amenable number.

7022409 is a deficient number, since it is larger than the sum of its proper divisors (2340807).

7022409 is a wasteful number, since it uses less digits than its factorization.

7022409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340806.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7022409 is about 2649.9828301331. The cubic root of 7022409 is about 191.4970288154.

The spelling of 7022409 in words is "seven million, twenty-two thousand, four hundred nine".