222223401 has 24 divisors (see below), whose sum is σ = 335612160. Its totient is φ = 141425856.

The previous prime is 222223387. The next prime is 222223471. The reversal of 222223401 is 104322222.

It is not a de Polignac number, because 222223401 - 2¹⁷ = 222092329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222223471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166800 + ... + 168126.

It is an arithmetic number, because the mean of its divisors is an integer number (13983840).

Almost surely, 2^222223401 is an apocalyptic number.

It is an amenable number.

222223401 is a deficient number, since it is larger than the sum of its proper divisors (113388759).

222223401 is a wasteful number, since it uses less digits than its factorization.

222223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222223401 is about 14907.1593873548. The cubic root of 222223401 is about 605.7079352662.

Adding to 222223401 its reverse (104322222), we get a palindrome (326545623).

The spelling of 222223401 in words is "two hundred twenty-two million, two hundred twenty-three thousand, four hundred one".