1422444145 has 32 divisors (see below), whose sum is σ = 1878681600. Its totient is φ = 1029227520.

The previous prime is 1422444097. The next prime is 1422444167. The reversal of 1422444145 is 5414442241.

It is not a de Polignac number, because 1422444145 - 2¹⁵ = 1422411377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390804 + ... + 394426.

It is an arithmetic number, because the mean of its divisors is an integer number (58708800).

Almost surely, 2^1422444145 is an apocalyptic number.

It is an amenable number.

1422444145 is a deficient number, since it is larger than the sum of its proper divisors (456237455).

1422444145 is a wasteful number, since it uses less digits than its factorization.

1422444145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825.

The product of its digits is 20480, while the sum is 31.

The square root of 1422444145 is about 37715.3038566574. The cubic root of 1422444145 is about 1124.6353768144.

Adding to 1422444145 its reverse (5414442241), we get a palindrome (6836886386).

The spelling of 1422444145 in words is "one billion, four hundred twenty-two million, four hundred forty-four thousand, one hundred forty-five".