2223102421 has 4 divisors (see below), whose sum is σ = 2319759072. Its totient is φ = 2126445772.

The previous prime is 2223102407. The next prime is 2223102433. The reversal of 2223102421 is 1242013222.

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: 1242013222 = 2 ⋅621006611.

It is not a de Polignac number, because 2223102421 - 2⁵ = 2223102389 is a prime.

It is a super-2 number, since 2×2223102421² = 9884368748512122482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223102221) 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, 48328291 + ... + 48328336.

It is an arithmetic number, because the mean of its divisors is an integer number (579939768).

Almost surely, 2^2223102421 is an apocalyptic number.

It is an amenable number.

2223102421 is a deficient number, since it is larger than the sum of its proper divisors (96656651).

2223102421 is an equidigital number, since it uses as much as digits as its factorization.

2223102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96656650.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2223102421 is about 47149.7870726899. The cubic root of 2223102421 is about 1305.1281507324.

Adding to 2223102421 its reverse (1242013222), we get a palindrome (3465115643).

The spelling of 2223102421 in words is "two billion, two hundred twenty-three million, one hundred two thousand, four hundred twenty-one".