1225314516 has 12 divisors (see below), whose sum is σ = 2859067232. Its totient is φ = 408438168.

The previous prime is 1225314509. The next prime is 1225314523. The reversal of 1225314516 is 6154135221.

It is an interprime number because it is at equal distance from previous prime (1225314509) and next prime (1225314523).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51054760 + ... + 51054783.

Almost surely, 2^1225314516 is an apocalyptic number.

It is an amenable number.

1225314516 is an abundant number, since it is smaller than the sum of its proper divisors (1633752716).

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

1225314516 is a wasteful number, since it uses less digits than its factorization.

1225314516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102109550 (or 102109548 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1225314516 is about 35004.4927973539. The cubic root of 1225314516 is about 1070.0790450237.

Adding to 1225314516 its reverse (6154135221), we get a palindrome (7379449737).

The spelling of 1225314516 in words is "one billion, two hundred twenty-five million, three hundred fourteen thousand, five hundred sixteen".