222300421 has 4 divisors (see below), whose sum is σ = 254057632. Its totient is φ = 190543212.

The previous prime is 222300413. The next prime is 222300427. The reversal of 222300421 is 124003222.

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.

It is a cyclic number.

It is not a de Polignac number, because 222300421 - 2³ = 222300413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222300395 and 222300404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222300427) 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, 15878595 + ... + 15878608.

It is an arithmetic number, because the mean of its divisors is an integer number (63514408).

Almost surely, 2^222300421 is an apocalyptic number.

It is an amenable number.

222300421 is a deficient number, since it is larger than the sum of its proper divisors (31757211).

222300421 is an equidigital number, since it uses as much as digits as its factorization.

222300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31757210.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222300421 is about 14909.7424860391. The cubic root of 222300421 is about 605.7779042499. Note that the first 3 decimals are identical.

Adding to 222300421 its reverse (124003222), we get a palindrome (346303643).

The spelling of 222300421 in words is "two hundred twenty-two million, three hundred thousand, four hundred twenty-one".