2271700621 has 16 divisors (see below), whose sum is σ = 2359171584. Its totient is φ = 2185961904.

The previous prime is 2271700609. The next prime is 2271700631. The reversal of 2271700621 is 1260071722.

It is a cyclic number.

It is not a de Polignac number, because 2271700621 - 2⁷ = 2271700493 is a prime.

It is a super-2 number, since 2×2271700621² = 10321247422903571282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2271700621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271700601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737450 + ... + 1738756.

It is an arithmetic number, because the mean of its divisors is an integer number (147448224).

Almost surely, 2^2271700621 is an apocalyptic number.

It is an amenable number.

2271700621 is a deficient number, since it is larger than the sum of its proper divisors (87470963).

2271700621 is a wasteful number, since it uses less digits than its factorization.

2271700621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2271700621 is about 47662.3606318445. The cubic root of 2271700621 is about 1314.5699453924.

The spelling of 2271700621 in words is "two billion, two hundred seventy-one million, seven hundred thousand, six hundred twenty-one".