222100030 has 16 divisors (see below), whose sum is σ = 400082400. Its totient is φ = 88772832.

The previous prime is 222099991. The next prime is 222100037. The reversal of 222100030 is 30001222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100037) 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, 6796 + ... + 22144.

It is an arithmetic number, because the mean of its divisors is an integer number (25005150).

Almost surely, 2^222100030 is an apocalyptic number.

222100030 is a deficient number, since it is larger than the sum of its proper divisors (177982370).

222100030 is a wasteful number, since it uses less digits than its factorization.

222100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 222100030 is about 14903.0208347167. The cubic root of 222100030 is about 605.5958249210.

Adding to 222100030 its reverse (30001222), we get a palindrome (252101252).

The spelling of 222100030 in words is "two hundred twenty-two million, one hundred thousand, thirty".