7052607221 has 4 divisors (see below), whose sum is σ = 7693753344. Its totient is φ = 6411461100.

The previous prime is 7052607217. The next prime is 7052607239. The reversal of 7052607221 is 1227062507.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1227062507 = 11 ⋅111551137.

It is not a de Polignac number, because 7052607221 - 2² = 7052607217 is a prime.

It is a super-2 number, since 2×7052607221² = 99478537227402685682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7052607241) 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, 320573045 + ... + 320573066.

It is an arithmetic number, because the mean of its divisors is an integer number (1923438336).

Almost surely, 2^7052607221 is an apocalyptic number.

It is an amenable number.

7052607221 is a deficient number, since it is larger than the sum of its proper divisors (641146123).

7052607221 is a wasteful number, since it uses less digits than its factorization.

7052607221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641146122.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 7052607221 is about 83979.8024586865. The cubic root of 7052607221 is about 1917.7113228679.

Adding to 7052607221 its reverse (1227062507), we get a palindrome (8279669728).

The spelling of 7052607221 in words is "seven billion, fifty-two million, six hundred seven thousand, two hundred twenty-one".