1444023225 has 36 divisors (see below), whose sum is σ = 2619177600. Its totient is φ = 760387680.

The previous prime is 1444023223. The next prime is 1444023227. The reversal of 1444023225 is 5223204441.

It is an interprime number because it is at equal distance from previous prime (1444023223) and next prime (1444023227).

It is not a de Polignac number, because 1444023225 - 2¹ = 1444023223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444023223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22845 + ... + 58394.

Almost surely, 2^1444023225 is an apocalyptic number.

1444023225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444023225 is a deficient number, since it is larger than the sum of its proper divisors (1175154375).

1444023225 is a wasteful number, since it uses less digits than its factorization.

1444023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81334 (or 81326 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1444023225 is about 38000.3055908765. The cubic root of 1444023225 is about 1130.2939233324.

Adding to 1444023225 its reverse (5223204441), we get a palindrome (6667227666).

The spelling of 1444023225 in words is "one billion, four hundred forty-four million, twenty-three thousand, two hundred twenty-five".