1222023355 has 8 divisors (see below), whose sum is σ = 1675917792. Its totient is φ = 837958848.

The previous prime is 1222023349. The next prime is 1222023367. The reversal of 1222023355 is 5533202221.

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 1222023355 - 2³ = 1222023347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17457442 + ... + 17457511.

It is an arithmetic number, because the mean of its divisors is an integer number (209489724).

Almost surely, 2^1222023355 is an apocalyptic number.

1222023355 is a deficient number, since it is larger than the sum of its proper divisors (453894437).

1222023355 is an equidigital number, since it uses as much as digits as its factorization.

1222023355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34914965.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1222023355 is about 34957.4506364523. The cubic root of 1222023355 is about 1069.1201183585.

Adding to 1222023355 its reverse (5533202221), we get a palindrome (6755225576).

The spelling of 1222023355 in words is "one billion, two hundred twenty-two million, twenty-three thousand, three hundred fifty-five".