1222016763 has 16 divisors (see below), whose sum is σ = 1882037376. Its totient is φ = 697050240.

The previous prime is 1222016759. The next prime is 1222016771. The reversal of 1222016763 is 3676102221.

It is not a de Polignac number, because 1222016763 - 2² = 1222016759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222016763.

It is not an unprimeable number, because it can be changed into a prime (1222016743) 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, 1088581 + ... + 1089702.

It is an arithmetic number, because the mean of its divisors is an integer number (117627336).

Almost surely, 2^1222016763 is an apocalyptic number.

1222016763 is a deficient number, since it is larger than the sum of its proper divisors (660020613).

1222016763 is a wasteful number, since it uses less digits than its factorization.

1222016763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178314.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1222016763 is about 34957.3563502734. The cubic root of 1222016763 is about 1069.1181959586.

Adding to 1222016763 its reverse (3676102221), we get a palindrome (4898118984).

The spelling of 1222016763 in words is "one billion, two hundred twenty-two million, sixteen thousand, seven hundred sixty-three".