1202223220 has 24 divisors (see below), whose sum is σ = 2754184608. Its totient is φ = 437172000.

The previous prime is 1202223181. The next prime is 1202223223. The reversal of 1202223220 is 223222021.

It is a junction number, because it is equal to n+sod(n) for n = 1202223194 and 1202223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202223223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732106 + ... + 2732545.

It is an arithmetic number, because the mean of its divisors is an integer number (114757692).

Almost surely, 2^1202223220 is an apocalyptic number.

1202223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202223220 is an abundant number, since it is smaller than the sum of its proper divisors (1551961388).

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

1202223220 is a wasteful number, since it uses less digits than its factorization.

1202223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464671 (or 5464669 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1202223220 is about 34673.0907188846. The cubic root of 1202223220 is about 1063.3144209274.

Adding to 1202223220 its reverse (223222021), we get a palindrome (1425445241).

It can be divided in two parts, 1202 and 223220, that added together give a palindrome (224422).

The spelling of 1202223220 in words is "one billion, two hundred two million, two hundred twenty-three thousand, two hundred twenty".