1222100230 has 32 divisors (see below), whose sum is σ = 2407845888. Its totient is φ = 443836800.

The previous prime is 1222100221. The next prime is 1222100237. The reversal of 1222100230 is 320012221.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1222100230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222100237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69126 + ... + 84985.

It is an arithmetic number, because the mean of its divisors is an integer number (75245184).

Almost surely, 2^1222100230 is an apocalyptic number.

1222100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222100230 is a deficient number, since it is larger than the sum of its proper divisors (1185745658).

1222100230 is a wasteful number, since it uses less digits than its factorization.

1222100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154192.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1222100230 is about 34958.5501701658. The cubic root of 1222100230 is about 1069.1425366113.

Adding to 1222100230 its reverse (320012221), we get a palindrome (1542112451).

The spelling of 1222100230 in words is "one billion, two hundred twenty-two million, one hundred thousand, two hundred thirty".