7220534701 has 4 divisors (see below), whose sum is σ = 7221613212. Its totient is φ = 7219456192.

The previous prime is 7220534689. The next prime is 7220534747. The reversal of 7220534701 is 1074350227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1440582025 + 5779952676 = 37955^2 + 76026^2 .

It is a cyclic number.

It is not a de Polignac number, because 7220534701 - 2⁵ = 7220534669 is a prime.

It is a super-2 number, since 2×7220534701² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220534771) 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, 529150 + ... + 542623.

It is an arithmetic number, because the mean of its divisors is an integer number (1805403303).

Almost surely, 2^7220534701 is an apocalyptic number.

It is an amenable number.

7220534701 is a deficient number, since it is larger than the sum of its proper divisors (1078511).

7220534701 is a wasteful number, since it uses less digits than its factorization.

7220534701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078510.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 7220534701 is about 84973.7294756444. The cubic root of 7220534701 is about 1932.8127708234.

Adding to 7220534701 its reverse (1074350227), we get a palindrome (8294884928).

The spelling of 7220534701 in words is "seven billion, two hundred twenty million, five hundred thirty-four thousand, seven hundred one".