1009220239 has 8 divisors (see below), whose sum is σ = 1019048400. Its totient is φ = 999438336.

The previous prime is 1009220189. The next prime is 1009220257. The reversal of 1009220239 is 9320229001.

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

It is a cyclic number.

It is not a de Polignac number, because 1009220239 - 2²⁹ = 472349327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009220269) 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, 33112 + ... + 55810.

It is an arithmetic number, because the mean of its divisors is an integer number (127381050).

Almost surely, 2^1009220239 is an apocalyptic number.

1009220239 is a deficient number, since it is larger than the sum of its proper divisors (9828161).

1009220239 is a wasteful number, since it uses less digits than its factorization.

1009220239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23129.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1009220239 is about 31768.2268784394. The cubic root of 1009220239 is about 1003.0640152222.

The spelling of 1009220239 in words is "one billion, nine million, two hundred twenty thousand, two hundred thirty-nine".