1222020022 has 8 divisors (see below), whose sum is σ = 1872030816. Its totient is φ = 598009752.

The previous prime is 1222020013. The next prime is 1222020049. The reversal of 1222020022 is 2200202221.

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 = 1222019984 and 1222020011.

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, 6500013 + ... + 6500200.

It is an arithmetic number, because the mean of its divisors is an integer number (234003852).

Almost surely, 2^1222020022 is an apocalyptic number.

1222020022 is a deficient number, since it is larger than the sum of its proper divisors (650010794).

1222020022 is a wasteful number, since it uses less digits than its factorization.

1222020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000262.

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

The square root of 1222020022 is about 34957.4029641791. The cubic root of 1222020022 is about 1069.1191463692.

Adding to 1222020022 its reverse (2200202221), we get a palindrome (3422222243).

The spelling of 1222020022 in words is "one billion, two hundred twenty-two million, twenty thousand, twenty-two".