1220202022 has 8 divisors (see below), whose sum is σ = 1971095616. Its totient is φ = 563170152.

The previous prime is 1220202001. The next prime is 1220202031. The reversal of 1220202022 is 2202020221.

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1220201993 and 1220202011.

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, 23465398 + ... + 23465449.

It is an arithmetic number, because the mean of its divisors is an integer number (246386952).

Almost surely, 2^1220202022 is an apocalyptic number.

1220202022 is a deficient number, since it is larger than the sum of its proper divisors (750893594).

1220202022 is a wasteful number, since it uses less digits than its factorization.

1220202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46930862.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1220202022 is about 34931.3902099530. The cubic root of 1220202022 is about 1068.5887068153.

Adding to 1220202022 its reverse (2202020221), we get a palindrome (3422222243).

The spelling of 1220202022 in words is "one billion, two hundred twenty million, two hundred two thousand, twenty-two".