1202314221 has 6 divisors (see below), whose sum is σ = 1736676110. Its totient is φ = 801542808.

The previous prime is 1202314187. The next prime is 1202314241. The reversal of 1202314221 is 1224132021.

It is a happy number.

1202314221 is a `hidden beast` number, since 12 + 0 + 231 + 422 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 926289225 + 276024996 = 30435^2 + 16614^2 .

It is not a de Polignac number, because 1202314221 - 2¹⁷ = 1202183149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202314194 and 1202314203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202314241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66795226 + ... + 66795243.

Almost surely, 2^1202314221 is an apocalyptic number.

It is an amenable number.

1202314221 is a deficient number, since it is larger than the sum of its proper divisors (534361889).

1202314221 is a wasteful number, since it uses less digits than its factorization.

1202314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133590475 (or 133590472 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1202314221 is about 34674.4029652999. The cubic root of 1202314221 is about 1063.3412490662.

Adding to 1202314221 its reverse (1224132021), we get a palindrome (2426446242).

It can be divided in two parts, 12023 and 14221, that added together give a square (26244 = 162²).

The spelling of 1202314221 in words is "one billion, two hundred two million, three hundred fourteen thousand, two hundred twenty-one".