1222035263 has 8 divisors (see below), whose sum is σ = 1264798800. Its totient is φ = 1179313408.

The previous prime is 1222035253. The next prime is 1222035307. The reversal of 1222035263 is 3625302221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222035263 - 2⁴ = 1222035247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222035253) 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, 56648 + ... + 75186.

It is an arithmetic number, because the mean of its divisors is an integer number (158099850).

Almost surely, 2^1222035263 is an apocalyptic number.

1222035263 is a deficient number, since it is larger than the sum of its proper divisors (42763537).

1222035263 is a wasteful number, since it uses less digits than its factorization.

1222035263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20841.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1222035263 is about 34957.6209573821. The cubic root of 1222035263 is about 1069.1235910256.

Adding to 1222035263 its reverse (3625302221), we get a palindrome (4847337484).

The spelling of 1222035263 in words is "one billion, two hundred twenty-two million, thirty-five thousand, two hundred sixty-three".