222028626 has 16 divisors (see below), whose sum is σ = 444450528. Its totient is φ = 73944000.

The previous prime is 222028579. The next prime is 222028627. The reversal of 222028626 is 626820222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222028593 and 222028602.

It is not an unprimeable number, because it can be changed into a prime (222028627) 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, 8775 + ... + 22826.

It is an arithmetic number, because the mean of its divisors is an integer number (27778158).

Almost surely, 2^222028626 is an apocalyptic number.

222028626 is an abundant number, since it is smaller than the sum of its proper divisors (222421902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222028626 is a wasteful number, since it uses less digits than its factorization.

222028626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32777.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 222028626 is about 14900.6250204480. The cubic root of 222028626 is about 605.5309193330.

Adding to 222028626 its reverse (626820222), we get a palindrome (848848848).

The spelling of 222028626 in words is "two hundred twenty-two million, twenty-eight thousand, six hundred twenty-six".