1022201233 has 4 divisors (see below), whose sum is σ = 1022806708. Its totient is φ = 1021595760.

The previous prime is 1022201209. The next prime is 1022201267. The reversal of 1022201233 is 3321022201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 509314624 + 512886609 = 22568^2 + 22647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022201233 is a prime.

It is a super-3 number, since 3×1022201233³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022201333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300198 + ... + 303583.

It is an arithmetic number, because the mean of its divisors is an integer number (255701677).

Almost surely, 2^1022201233 is an apocalyptic number.

It is an amenable number.

1022201233 is a deficient number, since it is larger than the sum of its proper divisors (605475).

1022201233 is an equidigital number, since it uses as much as digits as its factorization.

1022201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605474.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022201233 is about 31971.8819120802. The cubic root of 1022201233 is about 1007.3463105652.

Adding to 1022201233 its reverse (3321022201), we get a palindrome (4343223434).

The spelling of 1022201233 in words is "one billion, twenty-two million, two hundred one thousand, two hundred thirty-three".