2221224023 has 4 divisors (see below), whose sum is σ = 2222293488. Its totient is φ = 2220154560.

The previous prime is 2221224007. The next prime is 2221224037. The reversal of 2221224023 is 3204221222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204221222 = 2 ⋅1602110611.

It is a cyclic number.

It is not a de Polignac number, because 2221224023 - 2⁴ = 2221224007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221223986 and 2221224004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221224823) 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, 531611 + ... + 535772.

It is an arithmetic number, because the mean of its divisors is an integer number (555573372).

Almost surely, 2^2221224023 is an apocalyptic number.

2221224023 is a deficient number, since it is larger than the sum of its proper divisors (1069465).

2221224023 is a wasteful number, since it uses less digits than its factorization.

2221224023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069464.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221224023 is about 47129.8633883019. The cubic root of 2221224023 is about 1304.7604602347.

Adding to 2221224023 its reverse (3204221222), we get a palindrome (5425445245).

The spelling of 2221224023 in words is "two billion, two hundred twenty-one million, two hundred twenty-four thousand, twenty-three".