7220070841 has 9 divisors (see below), whose sum is σ = 7463212239. Its totient is φ = 6984616200.

The previous prime is 7220070821. The next prime is 7220070857. The reversal of 7220070841 is 1480700227.

The square root of 7220070841 is 84971.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2136380841 + 5083690000 = 46221^2 + 71300^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7220070841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7220070821) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2632731 + ... + 2635471.

Almost surely, 2^7220070841 is an apocalyptic number.

7220070841 is the 84971-st square number.

7220070841 is the 42486-th centered octagonal number.

It is an amenable number.

7220070841 is a deficient number, since it is larger than the sum of its proper divisors (243141398).

7220070841 is an frugal number, since it uses more digits than its factorization.

7220070841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The cubic root of 7220070841 is about 1932.7713808263.

The spelling of 7220070841 in words is "seven billion, two hundred twenty million, seventy thousand, eight hundred forty-one".