2222445 has 16 divisors (see below), whose sum is σ = 3576960. Its totient is φ = 1178304.

The previous prime is 2222443. The next prime is 2222477. The reversal of 2222445 is 5442222.

It is not a de Polignac number, because 2222445 - 2¹ = 2222443 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹³ + 2¹⁵ + 2²¹ + 4³ + 4⁶ + 5⁷ .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (223560).

2^2222445 is an apocalyptic number.

It is an amenable number.

2222445 is a deficient number, since it is larger than the sum of its proper divisors (1354515).

2222445 is a wasteful number, since it uses less digits than its factorization.

2222445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

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

The square root of 2222445 is about 1490.7867050655. The cubic root of 2222445 is about 130.4999486208.

Adding to 2222445 its reverse (5442222), we get a palindrome (7664667).

The spelling of 2222445 in words is "two million, two hundred twenty-two thousand, four hundred forty-five".