1202200221 has 16 divisors (see below), whose sum is σ = 1613289600. Its totient is φ = 796306368.

The previous prime is 1202200217. The next prime is 1202200267. The reversal of 1202200221 is 1220022021.

It is not a de Polignac number, because 1202200221 - 2² = 1202200217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202200197 and 1202200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202200201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321400 + ... + 325118.

It is an arithmetic number, because the mean of its divisors is an integer number (100830600).

Almost surely, 2^1202200221 is an apocalyptic number.

It is an amenable number.

1202200221 is a deficient number, since it is larger than the sum of its proper divisors (411089379).

1202200221 is a wasteful number, since it uses less digits than its factorization.

1202200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1202200221 is about 34672.7590624109. The cubic root of 1202200221 is about 1063.3076403440.

Adding to 1202200221 its reverse (1220022021), we get a palindrome (2422222242).

The spelling of 1202200221 in words is "one billion, two hundred two million, two hundred thousand, two hundred twenty-one".