2201477897 has 4 divisors (see below), whose sum is σ = 2212540800. Its totient is φ = 2190414996.

The previous prime is 2201477891. The next prime is 2201477939. The reversal of 2201477897 is 7987741022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7987741022 = 2 ⋅3993870511.

It is a cyclic number.

It is not a de Polignac number, because 2201477897 - 2⁴ = 2201477881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201477891) 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, 5531153 + ... + 5531550.

It is an arithmetic number, because the mean of its divisors is an integer number (553135200).

Almost surely, 2^2201477897 is an apocalyptic number.

It is an amenable number.

2201477897 is a deficient number, since it is larger than the sum of its proper divisors (11062903).

2201477897 is a wasteful number, since it uses less digits than its factorization.

2201477897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11062902.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 2201477897 is about 46919.9093882331. The cubic root of 2201477897 is about 1300.8826150249.

The spelling of 2201477897 in words is "two billion, two hundred one million, four hundred seventy-seven thousand, eight hundred ninety-seven".