222230142 has 60 divisors (see below), whose sum is σ = 508632696. Its totient is φ = 72507960.

The previous prime is 222230131. The next prime is 222230153. The reversal of 222230142 is 241032222.

It is an interprime number because it is at equal distance from previous prime (222230131) and next prime (222230153).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1598709 + ... + 1598847.

Almost surely, 2^222230142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222230142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254316348).

222230142 is an abundant number, since it is smaller than the sum of its proper divisors (286402554).

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

222230142 is an equidigital number, since it uses as much as digits as its factorization.

222230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 215 counting only the distinct ones).

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

The square root of 222230142 is about 14907.3854850540. The cubic root of 222230142 is about 605.7140597875.

Adding to 222230142 its reverse (241032222), we get a palindrome (463262364).

The spelling of 222230142 in words is "two hundred twenty-two million, two hundred thirty thousand, one hundred forty-two".