222140100 has 288 divisors, whose sum is σ = 808837120. Its totient is φ = 45826560.

The previous prime is 222140089. The next prime is 222140111. The reversal of 222140100 is 1041222.

It is an interprime number because it is at equal distance from previous prime (222140089) and next prime (222140111).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2156649 + ... + 2156751.

Almost surely, 2^222140100 is an apocalyptic number.

222140100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222140100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404418560).

222140100 is an abundant number, since it is smaller than the sum of its proper divisors (586697020).

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

222140100 is a wasteful number, since it uses less digits than its factorization.

222140100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 222140100 is about 14904.3651324033. The cubic root of 222140100 is about 605.6322420939.

Adding to 222140100 its reverse (1041222), we get a palindrome (223181322).

The spelling of 222140100 in words is "two hundred twenty-two million, one hundred forty thousand, one hundred".