1225344434 has 8 divisors (see below), whose sum is σ = 1838274588. Its totient is φ = 612586240.

The previous prime is 1225344433. The next prime is 1225344487. The reversal of 1225344434 is 4344435221.

It can be written as a sum of positive squares in 2 ways, for example, as 1223250625 + 2093809 = 34975^2 + 1447^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1225344434.

It is not an unprimeable number, because it can be changed into a prime (1225344433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23387 + ... + 54750.

Almost surely, 2^1225344434 is an apocalyptic number.

1225344434 is a deficient number, since it is larger than the sum of its proper divisors (612930154).

1225344434 is an equidigital number, since it uses as much as digits as its factorization.

1225344434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85980.

The product of its digits is 46080, while the sum is 32.

The square root of 1225344434 is about 35004.9201398889. The cubic root of 1225344434 is about 1070.0877541793.

Adding to 1225344434 its reverse (4344435221), we get a palindrome (5569779655).

The spelling of 1225344434 in words is "one billion, two hundred twenty-five million, three hundred forty-four thousand, four hundred thirty-four".