2221200023 has 4 divisors (see below), whose sum is σ = 2538514320. Its totient is φ = 1903885728.

The previous prime is 2221200017. The next prime is 2221200031. The reversal of 2221200023 is 3200021222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3200021222 = 2 ⋅1600010611.

It is a cyclic number.

It is not a de Polignac number, because 2221200023 - 2¹⁰ = 2221198999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221199980 and 2221200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221200083) 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, 158657138 + ... + 158657151.

It is an arithmetic number, because the mean of its divisors is an integer number (634628580).

Almost surely, 2^2221200023 is an apocalyptic number.

2221200023 is a deficient number, since it is larger than the sum of its proper divisors (317314297).

2221200023 is an equidigital number, since it uses as much as digits as its factorization.

2221200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317314296.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2221200023 is about 47129.6087719811. The cubic root of 2221200023 is about 1304.7557609693.

Adding to 2221200023 its reverse (3200021222), we get a palindrome (5421221245).

The spelling of 2221200023 in words is "two billion, two hundred twenty-one million, two hundred thousand, twenty-three".