1225034445 has 8 divisors (see below), whose sum is σ = 1960055136. Its totient is φ = 653351696.

The previous prime is 1225034431. The next prime is 1225034477. The reversal of 1225034445 is 5444305221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1225034445 - 2⁸ = 1225034189 is a prime.

It is a super-3 number, since 3×1225034445³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40834467 + ... + 40834496.

It is an arithmetic number, because the mean of its divisors is an integer number (245006892).

Almost surely, 2^1225034445 is an apocalyptic number.

1225034445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1225034445 is a deficient number, since it is larger than the sum of its proper divisors (735020691).

1225034445 is an equidigital number, since it uses as much as digits as its factorization.

1225034445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81668971.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1225034445 is about 35000.4920679696. The cubic root of 1225034445 is about 1069.9975092381.

Adding to 1225034445 its reverse (5444305221), we get a palindrome (6669339666).

The spelling of 1225034445 in words is "one billion, two hundred twenty-five million, thirty-four thousand, four hundred forty-five".