2223855997 has 8 divisors (see below), whose sum is σ = 2434786272. Its totient is φ = 2014386000.

The previous prime is 2223855971. The next prime is 2223856079. The reversal of 2223855997 is 7995583222.

2223855997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2223855997 - 2¹⁵ = 2223823229 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 (2223855937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361879 + ... + 367972.

It is an arithmetic number, because the mean of its divisors is an integer number (304348284).

Almost surely, 2^2223855997 is an apocalyptic number.

It is an amenable number.

2223855997 is a deficient number, since it is larger than the sum of its proper divisors (210930275).

2223855997 is a wasteful number, since it uses less digits than its factorization.

2223855997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730139.

The product of its digits is 2721600, while the sum is 52.

The square root of 2223855997 is about 47157.7776936106. Note that the first 3 decimals coincide. The cubic root of 2223855997 is about 1305.2756026498.

The spelling of 2223855997 in words is "two billion, two hundred twenty-three million, eight hundred fifty-five thousand, nine hundred ninety-seven".