222046426 has 16 divisors (see below), whose sum is σ = 400685760. Its totient is φ = 90154080.

The previous prime is 222046421. The next prime is 222046463. The reversal of 222046426 is 624640222.

222046426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222046394 and 222046403.

It is not an unprimeable number, because it can be changed into a prime (222046421) 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, 417115 + ... + 417646.

It is an arithmetic number, because the mean of its divisors is an integer number (25042860).

Almost surely, 2^222046426 is an apocalyptic number.

222046426 is a deficient number, since it is larger than the sum of its proper divisors (178639334).

222046426 is a wasteful number, since it uses less digits than its factorization.

222046426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834789.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 222046426 is about 14901.2222988586. Note that the first 4 decimals coincide. The cubic root of 222046426 is about 605.5471006734.

Adding to 222046426 its reverse (624640222), we get a palindrome (846686648).

The spelling of 222046426 in words is "two hundred twenty-two million, forty-six thousand, four hundred twenty-six".