1225034443 has 16 divisors (see below), whose sum is σ = 1370052000. Its totient is φ = 1090236672.

The previous prime is 1225034431. The next prime is 1225034477. The reversal of 1225034443 is 3444305221.

It is a happy number.

It is not a de Polignac number, because 1225034443 - 2⁵ = 1225034411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225034143) 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, 9658 + ... + 50431.

It is an arithmetic number, because the mean of its divisors is an integer number (85628250).

Almost surely, 2^1225034443 is an apocalyptic number.

1225034443 is a deficient number, since it is larger than the sum of its proper divisors (145017557).

1225034443 is a wasteful number, since it uses less digits than its factorization.

1225034443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60174.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1225034443 is about 35000.4920393985. The cubic root of 1225034443 is about 1069.9975086558.

Adding to 1225034443 its reverse (3444305221), we get a palindrome (4669339664).

The spelling of 1225034443 in words is "one billion, two hundred twenty-five million, thirty-four thousand, four hundred forty-three".