2220522797 has 4 divisors (see below), whose sum is σ = 2221046976. Its totient is φ = 2219998620.

The previous prime is 2220522769. The next prime is 2220522823. The reversal of 2220522797 is 7972250222.

2220522797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220522797 - 2²² = 2216328493 is a prime.

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 2220522797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220522727) 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, 255683 + ... + 264224.

It is an arithmetic number, because the mean of its divisors is an integer number (555261744).

Almost surely, 2^2220522797 is an apocalyptic number.

It is an amenable number.

2220522797 is a deficient number, since it is larger than the sum of its proper divisors (524179).

2220522797 is an equidigital number, since it uses as much as digits as its factorization.

2220522797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524178.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2220522797 is about 47122.4235051637. The cubic root of 2220522797 is about 1304.6231443156.

The spelling of 2220522797 in words is "two billion, two hundred twenty million, five hundred twenty-two thousand, seven hundred ninety-seven".