2223402421 has 8 divisors (see below), whose sum is σ = 2309702400. Its totient is φ = 2137744560.

The previous prime is 2223402413. The next prime is 2223402431. The reversal of 2223402421 is 1242043222.

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

It is a cyclic number.

It is not a de Polignac number, because 2223402421 - 2³ = 2223402413 is a prime.

It is a super-2 number, since 2×2223402421² = 9887036651417322482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223402392 and 2223402401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223402431) 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, 153465 + ... + 167326.

It is an arithmetic number, because the mean of its divisors is an integer number (288712800).

Almost surely, 2^2223402421 is an apocalyptic number.

It is an amenable number.

2223402421 is a deficient number, since it is larger than the sum of its proper divisors (86299979).

2223402421 is a wasteful number, since it uses less digits than its factorization.

2223402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321059.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2223402421 is about 47152.9683158971. The cubic root of 2223402421 is about 1305.1868556052.

Adding to 2223402421 its reverse (1242043222), we get a palindrome (3465445643).

The spelling of 2223402421 in words is "two billion, two hundred twenty-three million, four hundred two thousand, four hundred twenty-one".