1220052223 has 4 divisors (see below), whose sum is σ = 1313902408. Its totient is φ = 1126202040.

The previous prime is 1220052203. The next prime is 1220052257. The reversal of 1220052223 is 3222500221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222500221 = 743 ⋅4337147.

It is a cyclic number.

It is not a de Polignac number, because 1220052223 - 2⁹ = 1220051711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220052223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220052203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46925073 + ... + 46925098.

It is an arithmetic number, because the mean of its divisors is an integer number (328475602).

Almost surely, 2^1220052223 is an apocalyptic number.

1220052223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1220052223 is a deficient number, since it is larger than the sum of its proper divisors (93850185).

1220052223 is an equidigital number, since it uses as much as digits as its factorization.

1220052223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93850184.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1220052223 is about 34929.2459552164. The cubic root of 1220052223 is about 1068.5449763325.

Adding to 1220052223 its reverse (3222500221), we get a palindrome (4442552444).

The spelling of 1220052223 in words is "one billion, two hundred twenty million, fifty-two thousand, two hundred twenty-three".