222041626 has 4 divisors (see below), whose sum is σ = 333062442. Its totient is φ = 111020812.

The previous prime is 222041597. The next prime is 222041627. The reversal of 222041626 is 626140222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 626140222 = 2 ⋅313070111.

It can be written as a sum of positive squares in only one way, i.e., 131125401 + 90916225 = 11451^2 + 9535^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222041626.

It is not an unprimeable number, because it can be changed into a prime (222041627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510405 + ... + 55510408.

Almost surely, 2^222041626 is an apocalyptic number.

222041626 is a deficient number, since it is larger than the sum of its proper divisors (111020816).

222041626 is a wasteful number, since it uses less digits than its factorization.

222041626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111020815.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 222041626 is about 14901.0612373750. The cubic root of 222041626 is about 605.5427372511.

Adding to 222041626 its reverse (626140222), we get a palindrome (848181848).

The spelling of 222041626 in words is "two hundred twenty-two million, forty-one thousand, six hundred twenty-six".