1222310020 has 24 divisors (see below), whose sum is σ = 2568069504. Its totient is φ = 488691936.

The previous prime is 1222309969. The next prime is 1222310057. The reversal of 1222310020 is 200132221.

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, 32379 + ... + 59101.

It is an arithmetic number, because the mean of its divisors is an integer number (107002896).

Almost surely, 2^1222310020 is an apocalyptic number.

1222310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222310020 is an abundant number, since it is smaller than the sum of its proper divisors (1345759484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222310020 is a wasteful number, since it uses less digits than its factorization.

1222310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29019 (or 29017 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1222310020 is about 34961.5505949035. The cubic root of 1222310020 is about 1069.2037106935.

Adding to 1222310020 its reverse (200132221), we get a palindrome (1422442241).

The spelling of 1222310020 in words is "one billion, two hundred twenty-two million, three hundred ten thousand, twenty".