203222312989 has 8 divisors (see below), whose sum is σ = 203510333952. Its totient is φ = 202934358480.

The previous prime is 203222312977. The next prime is 203222312999. The reversal of 203222312989 is 989213222302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203222312989 is a prime.

It is a super-2 number, since 2×203222312989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203222312999) 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, 12037224 + ... + 12054094.

It is an arithmetic number, because the mean of its divisors is an integer number (25438791744).

Almost surely, 2^203222312989 is an apocalyptic number.

It is an amenable number.

203222312989 is a deficient number, since it is larger than the sum of its proper divisors (288020963).

203222312989 is a wasteful number, since it uses less digits than its factorization.

203222312989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33227.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 203222312989 in words is "two hundred three billion, two hundred twenty-two million, three hundred twelve thousand, nine hundred eighty-nine".