1222020052 has 24 divisors (see below), whose sum is σ = 2345851872. Its totient is φ = 552391200.

The previous prime is 1222020049. The next prime is 1222020071. The reversal of 1222020052 is 2500202221.

It is a congruent number.

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, 68758 + ... + 84685.

It is an arithmetic number, because the mean of its divisors is an integer number (97743828).

Almost surely, 2^1222020052 is an apocalyptic number.

It is an amenable number.

1222020052 is a deficient number, since it is larger than the sum of its proper divisors (1123831820).

1222020052 is a wasteful number, since it uses less digits than its factorization.

1222020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153639 (or 153637 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1222020052 is about 34957.4033932728. The cubic root of 1222020052 is about 1069.1191551180.

Adding to 1222020052 its reverse (2500202221), we get a palindrome (3722222273).

The spelling of 1222020052 in words is "one billion, two hundred twenty-two million, twenty thousand, fifty-two".