1225710616 has 32 divisors (see below), whose sum is σ = 2480390640. Its totient is φ = 564478848.

The previous prime is 1225710613. The next prime is 1225710631. The reversal of 1225710616 is 6160175221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225710613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35950 + ... + 61186.

Almost surely, 2^1225710616 is an apocalyptic number.

It is an amenable number.

1225710616 is an abundant number, since it is smaller than the sum of its proper divisors (1254680024).

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

1225710616 is a wasteful number, since it uses less digits than its factorization.

1225710616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25723 (or 25719 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1225710616 is about 35010.1501853391. The cubic root of 1225710616 is about 1070.1943385912.

Adding to 1225710616 its reverse (6160175221), we get a palindrome (7385885837).

The spelling of 1225710616 in words is "one billion, two hundred twenty-five million, seven hundred ten thousand, six hundred sixteen".