222222030 has 16 divisors (see below), whose sum is σ = 533332944. Its totient is φ = 59259200.

The previous prime is 222222029. The next prime is 222222031. The reversal of 222222030 is 30222222.

It is an interprime number because it is at equal distance from previous prime (222222029) and next prime (222222031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222031) 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, 3703671 + ... + 3703730.

It is an arithmetic number, because the mean of its divisors is an integer number (33333309).

Almost surely, 2^222222030 is an apocalyptic number.

222222030 is an abundant number, since it is smaller than the sum of its proper divisors (311110914).

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

222222030 is a wasteful number, since it uses less digits than its factorization.

222222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407411.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 222222030 is about 14907.1134026679. The cubic root of 222222030 is about 605.7066896319.

Adding to 222222030 its product of nonzero digits (192), we get a palindrome (222222222).

Adding to 222222030 its reverse (30222222), we get a palindrome (252444252).

The spelling of 222222030 in words is "two hundred twenty-two million, two hundred twenty-two thousand, thirty".