2045225231 has 8 divisors (see below), whose sum is σ = 2338849920. Its totient is φ = 1751962968.

The previous prime is 2045225207. The next prime is 2045225269. The reversal of 2045225231 is 1325225402.

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

It is a de Polignac number, because none of the positive numbers 2^k-2045225231 is a prime.

It is a super-2 number, since 2×2045225231² = 8365892491038006722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045225231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045225201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78401 + ... + 101178.

It is an arithmetic number, because the mean of its divisors is an integer number (292356240).

Almost surely, 2^2045225231 is an apocalyptic number.

2045225231 is a deficient number, since it is larger than the sum of its proper divisors (293624689).

2045225231 is a wasteful number, since it uses less digits than its factorization.

2045225231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181213.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2045225231 is about 45224.1664489242. The cubic root of 2045225231 is about 1269.3470574630.

The spelling of 2045225231 in words is "two billion, forty-five million, two hundred twenty-five thousand, two hundred thirty-one".