1220211022 has 8 divisors (see below), whose sum is σ = 1834322976. Its totient is φ = 608770032.

The previous prime is 1220211017. The next prime is 1220211053. The reversal of 1220211022 is 2201120221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220210993 and 1220211011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666598 + ... + 668425.

It is an arithmetic number, because the mean of its divisors is an integer number (229290372).

Almost surely, 2^1220211022 is an apocalyptic number.

1220211022 is a deficient number, since it is larger than the sum of its proper divisors (614111954).

1220211022 is a wasteful number, since it uses less digits than its factorization.

1220211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335482.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1220211022 is about 34931.5190336750. The cubic root of 1220211022 is about 1068.5913340509.

Adding to 1220211022 its reverse (2201120221), we get a palindrome (3421331243).

The spelling of 1220211022 in words is "one billion, two hundred twenty million, two hundred eleven thousand, twenty-two".