1210788222 has 128 divisors (see below), whose sum is σ = 2991651840. Its totient is φ = 319334400.

The previous prime is 1210788209. The next prime is 1210788223. The reversal of 1210788222 is 2228870121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210788223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3019222 + ... + 3019622.

It is an arithmetic number, because the mean of its divisors is an integer number (23372280).

Almost surely, 2^1210788222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210788222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495825920).

1210788222 is an abundant number, since it is smaller than the sum of its proper divisors (1780863618).

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

1210788222 is a wasteful number, since it uses less digits than its factorization.

1210788222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 1210788222 is about 34796.3823119588. The cubic root of 1210788222 is about 1065.8335725266.

The spelling of 1210788222 in words is "one billion, two hundred ten million, seven hundred eighty-eight thousand, two hundred twenty-two".