2009223250 has 16 divisors (see below), whose sum is σ = 3761266392. Its totient is φ = 803689200.

The previous prime is 2009223239. The next prime is 2009223253. The reversal of 2009223250 is 523229002.

It can be written as a sum of positive squares in 4 ways, for example, as 421439841 + 1587783409 = 20529^2 + 39847^2 .

It is a super-3 number, since 3×2009223250³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2009223253) 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, 4018197 + ... + 4018696.

Almost surely, 2^2009223250 is an apocalyptic number.

2009223250 is a deficient number, since it is larger than the sum of its proper divisors (1752043142).

2009223250 is an equidigital number, since it uses as much as digits as its factorization.

2009223250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036910 (or 8036900 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2009223250 is about 44824.3600065857. The cubic root of 2009223250 is about 1261.8548414310.

The spelling of 2009223250 in words is "two billion, nine million, two hundred twenty-three thousand, two hundred fifty".