1225350544 has 80 divisors (see below), whose sum is σ = 2634813504. Its totient is φ = 551992320.

The previous prime is 1225350541. The next prime is 1225350569. The reversal of 1225350544 is 4450535221.

It is not an unprimeable number, because it can be changed into a prime (1225350541) 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, 3471072 + ... + 3471424.

Almost surely, 2^1225350544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225350544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317406752).

1225350544 is an abundant number, since it is smaller than the sum of its proper divisors (1409462960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225350544 is a wasteful number, since it uses less digits than its factorization.

1225350544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1225350544 is about 35005.0074132259. The cubic root of 1225350544 is about 1070.0895327882.

Adding to 1225350544 its reverse (4450535221), we get a palindrome (5675885765).

The spelling of 1225350544 in words is "one billion, two hundred twenty-five million, three hundred fifty thousand, five hundred forty-four".