2242245 has 16 divisors (see below), whose sum is σ = 3632832. Its totient is φ = 1180800.

The previous prime is 2242231. The next prime is 2242277. The reversal of 2242245 is 5422422.

It is not a de Polignac number, because 2242245 - 2⁵ = 2242213 is a prime.

2242245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (227052).

2^2242245 is an apocalyptic number.

It is an amenable number.

2242245 is a deficient number, since it is larger than the sum of its proper divisors (1390587).

2242245 is a wasteful number, since it uses less digits than its factorization.

2242245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its digits is 1280, while the sum is 21.

The square root of 2242245 is about 1497.4127687448. The cubic root of 2242245 is about 130.8863493833.

Adding to 2242245 its reverse (5422422), we get a palindrome (7664667).

The spelling of 2242245 in words is "two million, two hundred forty-two thousand, two hundred forty-five".