1222446445 has 16 divisors (see below), whose sum is σ = 1614983040. Its totient is φ = 880891200.

The previous prime is 1222446443. The next prime is 1222446461. The reversal of 1222446445 is 5446442221.

It is not a de Polignac number, because 1222446445 - 2¹ = 1222446443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222446445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222446443) 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, 95961 + ... + 107950.

It is an arithmetic number, because the mean of its divisors is an integer number (100936440).

Almost surely, 2^1222446445 is an apocalyptic number.

It is an amenable number.

1222446445 is a deficient number, since it is larger than the sum of its proper divisors (392536595).

1222446445 is a wasteful number, since it uses less digits than its factorization.

1222446445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204036.

The product of its digits is 61440, while the sum is 34.

The square root of 1222446445 is about 34963.5016123957. The cubic root of 1222446445 is about 1069.2434880242.

Adding to 1222446445 its reverse (5446442221), we get a palindrome (6668888666).

The spelling of 1222446445 in words is "one billion, two hundred twenty-two million, four hundred forty-six thousand, four hundred forty-five".