1225414436 has 24 divisors (see below), whose sum is σ = 2162522880. Its totient is φ = 607573152.

The previous prime is 1225414391. The next prime is 1225414439. The reversal of 1225414436 is 6344145221.

It is not an unprimeable number, because it can be changed into a prime (1225414439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237395 + ... + 242501.

It is an arithmetic number, because the mean of its divisors is an integer number (90105120).

Almost surely, 2^1225414436 is an apocalyptic number.

It is an amenable number.

1225414436 is a deficient number, since it is larger than the sum of its proper divisors (937108444).

1225414436 is a wasteful number, since it uses less digits than its factorization.

1225414436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603 (or 5601 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 1225414436 is about 35005.9200136206. The cubic root of 1225414436 is about 1070.1081312680.

Adding to 1225414436 its reverse (6344145221), we get a palindrome (7569559657).

The spelling of 1225414436 in words is "one billion, two hundred twenty-five million, four hundred fourteen thousand, four hundred thirty-six".