7222105 has 8 divisors (see below), whose sum is σ = 9454464. Its totient is φ = 5252400.

The previous prime is 7222099. The next prime is 7222121. The reversal of 7222105 is 5012227.

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

It is not a de Polignac number, because 7222105 - 2³ = 7222097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65601 + ... + 65710.

It is an arithmetic number, because the mean of its divisors is an integer number (1181808).

Almost surely, 2^7222105 is an apocalyptic number.

It is an amenable number.

7222105 is a deficient number, since it is larger than the sum of its proper divisors (2232359).

7222105 is a wasteful number, since it uses less digits than its factorization.

7222105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131327.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7222105 is about 2687.3974399035. The cubic root of 7222105 is about 193.2952874666.

The spelling of 7222105 in words is "seven million, two hundred twenty-two thousand, one hundred five".