22223401 has 4 divisors (see below), whose sum is σ = 22235472. Its totient is φ = 22211332.

The previous prime is 22223393. The next prime is 22223413. The reversal of 22223401 is 10432222.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10432222 = 2 ⋅5216111.

It is a cyclic number.

It is not a de Polignac number, because 22223401 - 2³ = 22223393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22223491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635 + ... + 7168.

It is an arithmetic number, because the mean of its divisors is an integer number (5558868).

Almost surely, 2^22223401 is an apocalyptic number.

It is an amenable number.

22223401 is a deficient number, since it is larger than the sum of its proper divisors (12071).

22223401 is an equidigital number, since it uses as much as digits as its factorization.

22223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12070.

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

The square root of 22223401 is about 4714.1702345164. The cubic root of 22223401 is about 281.1491927778.

Adding to 22223401 its reverse (10432222), we get a palindrome (32655623).

The spelling of 22223401 in words is "twenty-two million, two hundred twenty-three thousand, four hundred one".