2201022997 has 4 divisors (see below), whose sum is σ = 2330494956. Its totient is φ = 2071551040.

The previous prime is 2201022991. The next prime is 2201023001. The reversal of 2201022997 is 7992201022.

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 1258901361 + 942121636 = 35481^2 + 30694^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201022997 - 2¹⁹ = 2200498709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64735954 + ... + 64735987.

It is an arithmetic number, because the mean of its divisors is an integer number (582623739).

Almost surely, 2^2201022997 is an apocalyptic number.

It is an amenable number.

2201022997 is a deficient number, since it is larger than the sum of its proper divisors (129471959).

2201022997 is a wasteful number, since it uses less digits than its factorization.

2201022997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129471958.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2201022997 is about 46915.0615154664. The cubic root of 2201022997 is about 1300.7930066960.

The spelling of 2201022997 in words is "two billion, two hundred one million, twenty-two thousand, nine hundred ninety-seven".