7227205 has 8 divisors (see below), whose sum is σ = 8820000. Its totient is φ = 5683536.

The previous prime is 7227197. The next prime is 7227211. The reversal of 7227205 is 5027227.

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

It is a cyclic number.

It is not a de Polignac number, because 7227205 - 2³ = 7227197 is a prime.

It is a super-2 number, since 2×7227205² = 104464984224050, which contains 22 as substring.

It is an Ulam number.

7227205 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7227205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11955 + ... + 12544.

It is an arithmetic number, because the mean of its divisors is an integer number (1102500).

Almost surely, 2^7227205 is an apocalyptic number.

It is an amenable number.

7227205 is a deficient number, since it is larger than the sum of its proper divisors (1592795).

7227205 is a wasteful number, since it uses less digits than its factorization.

7227205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24563.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 7227205 is about 2688.3461458674. The cubic root of 7227205 is about 193.3407762361.

The spelling of 7227205 in words is "seven million, two hundred twenty-seven thousand, two hundred five".