1225334388 has 12 divisors (see below), whose sum is σ = 2859113600. Its totient is φ = 408444792.

The previous prime is 1225334387. The next prime is 1225334413. The reversal of 1225334388 is 8834335221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225334387) 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 3 ways as a sum of consecutive naturals, for example, 51055588 + ... + 51055611.

Almost surely, 2^1225334388 is an apocalyptic number.

It is an amenable number.

1225334388 is an abundant number, since it is smaller than the sum of its proper divisors (1633779212).

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

1225334388 is a wasteful number, since it uses less digits than its factorization.

1225334388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102111206 (or 102111204 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 1225334388 is about 35004.7766454808. The cubic root of 1225334388 is about 1070.0848297959.

The spelling of 1225334388 in words is "one billion, two hundred twenty-five million, three hundred thirty-four thousand, three hundred eighty-eight".