222305022 has 24 divisors (see below), whose sum is σ = 509994576. Its totient is φ = 69742656.

The previous prime is 222305021. The next prime is 222305023. The reversal of 222305022 is 220503222.

222305022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222305021) and next prime (222305023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222304986 and 222305004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222305021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362938 + ... + 363549.

It is an arithmetic number, because the mean of its divisors is an integer number (21249774).

Almost surely, 2^222305022 is an apocalyptic number.

222305022 is an abundant number, since it is smaller than the sum of its proper divisors (287689554).

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

222305022 is a wasteful number, since it uses less digits than its factorization.

222305022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726512 (or 726509 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 222305022 is about 14909.8967803268. The cubic root of 222305022 is about 605.7820835266.

Adding to 222305022 its reverse (220503222), we get a palindrome (442808244).

The spelling of 222305022 in words is "two hundred twenty-two million, three hundred five thousand, twenty-two".