7422009 has 8 divisors (see below), whose sum is σ = 11309760. Its totient is φ = 4241136.

The previous prime is 7422001. The next prime is 7422011. The reversal of 7422009 is 9002247.

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

It is not a de Polignac number, because 7422009 - 2³ = 7422001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7422009.

It is not an unprimeable number, because it can be changed into a prime (7422001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176694 + ... + 176735.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 2^7422009 is an apocalyptic number.

It is an amenable number.

7422009 is a deficient number, since it is larger than the sum of its proper divisors (3887751).

7422009 is a wasteful number, since it uses less digits than its factorization.

7422009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353439.

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

The square root of 7422009 is about 2724.3364329686. The cubic root of 7422009 is about 195.0625177585.

The spelling of 7422009 in words is "seven million, four hundred twenty-two thousand, nine".