2270245 has 8 divisors (see below), whose sum is σ = 2734200. Its totient is φ = 1809600.

The previous prime is 2270239. The next prime is 2270249. The reversal of 2270245 is 5420722.

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 2259009 = 106^2 + 1503^2 .

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

It is not a de Polignac number, because 2270245 - 2⁷ = 2270117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270249) 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, 1095 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (341775).

2^2270245 is an apocalyptic number.

It is an amenable number.

2270245 is a deficient number, since it is larger than the sum of its proper divisors (463955).

2270245 is a wasteful number, since it uses less digits than its factorization.

2270245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2270245 is about 1506.7332212439. The cubic root of 2270245 is about 131.4289109610.

Adding to 2270245 its reverse (5420722), we get a palindrome (7690967).

The spelling of 2270245 in words is "two million, two hundred seventy thousand, two hundred forty-five".