8220522045 has 16 divisors (see below), whose sum is σ = 13845090240. Its totient is φ = 4153526784.

The previous prime is 8220521971. The next prime is 8220522049. The reversal of 8220522045 is 5402250228.

It is not a de Polignac number, because 8220522045 - 2¹³ = 8220513853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220522049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14421684 + ... + 14422253.

It is an arithmetic number, because the mean of its divisors is an integer number (865318140).

Almost surely, 2^8220522045 is an apocalyptic number.

It is an amenable number.

8220522045 is a deficient number, since it is larger than the sum of its proper divisors (5624568195).

8220522045 is a wasteful number, since it uses less digits than its factorization.

8220522045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28843964.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 8220522045 is about 90667.0946098969. The cubic root of 8220522045 is about 2018.2105222701.

The spelling of 8220522045 in words is "eight billion, two hundred twenty million, five hundred twenty-two thousand, forty-five".