5622872921 has 4 divisors (see below), whose sum is σ = 5631179172. Its totient is φ = 5614566672.

The previous prime is 5622872917. The next prime is 5622872923. The reversal of 5622872921 is 1292782265.

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 5106674521 + 516198400 = 71461^2 + 22720^2 .

It is a cyclic number.

It is not a de Polignac number, because 5622872921 - 2² = 5622872917 is a prime.

It is a super-3 number, since 3×5622872921³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5622872923) 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, 4152110 + ... + 4153463.

It is an arithmetic number, because the mean of its divisors is an integer number (1407794793).

Almost surely, 2^5622872921 is an apocalyptic number.

It is an amenable number.

5622872921 is a deficient number, since it is larger than the sum of its proper divisors (8306251).

5622872921 is an equidigital number, since it uses as much as digits as its factorization.

5622872921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306250.

The product of its digits is 241920, while the sum is 44.

The square root of 5622872921 is about 74985.8181324976. The cubic root of 5622872921 is about 1778.2224523364. Note that the first 3 decimals are identical.

The spelling of 5622872921 in words is "five billion, six hundred twenty-two million, eight hundred seventy-two thousand, nine hundred twenty-one".