7025221205 has 4 divisors (see below), whose sum is σ = 8430265452. Its totient is φ = 5620176960.

The previous prime is 7025221201. The next prime is 7025221241. The reversal of 7025221205 is 5021225207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5021225207 = 709 ⋅7082123.

It can be written as a sum of positive squares in 2 ways, for example, as 4344259921 + 2680961284 = 65911^2 + 51778^2 .

It is not a de Polignac number, because 7025221205 - 2² = 7025221201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7025221201) 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, 702522116 + ... + 702522125.

It is an arithmetic number, because the mean of its divisors is an integer number (2107566363).

Almost surely, 2^7025221205 is an apocalyptic number.

It is an amenable number.

7025221205 is a deficient number, since it is larger than the sum of its proper divisors (1405044247).

7025221205 is a wasteful number, since it uses less digits than its factorization.

7025221205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405044246.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 7025221205 is about 83816.5926592104. The cubic root of 7025221205 is about 1915.2258780480.

The spelling of 7025221205 in words is "seven billion, twenty-five million, two hundred twenty-one thousand, two hundred five".