2250820829 has 4 divisors (see below), whose sum is σ = 2305718940. Its totient is φ = 2195922720.

The previous prime is 2250820783. The next prime is 2250820843. The reversal of 2250820829 is 9280280522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9280280522 = 2 ⋅4640140261.

It can be written as a sum of positive squares in 2 ways, for example, as 317196100 + 1933624729 = 17810^2 + 43973^2 .

It is a cyclic number.

It is not a de Polignac number, because 2250820829 - 2⁸ = 2250820573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2250820792 and 2250820801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250820129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27448994 + ... + 27449075.

It is an arithmetic number, because the mean of its divisors is an integer number (576429735).

Almost surely, 2^2250820829 is an apocalyptic number.

It is an amenable number.

2250820829 is a deficient number, since it is larger than the sum of its proper divisors (54898111).

2250820829 is an equidigital number, since it uses as much as digits as its factorization.

2250820829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54898110.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 2250820829 is about 47442.8164109173. The cubic root of 2250820829 is about 1310.5300244376.

The spelling of 2250820829 in words is "two billion, two hundred fifty million, eight hundred twenty thousand, eight hundred twenty-nine".