1225005502 has 16 divisors (see below), whose sum is σ = 2115341280. Its totient is φ = 521169408.

The previous prime is 1225005493. The next prime is 1225005527. The reversal of 1225005502 is 2055005221.

It is a congruent number.

It is an unprimeable number.

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, 317427 + ... + 321262.

It is an arithmetic number, because the mean of its divisors is an integer number (132208830).

Almost surely, 2^1225005502 is an apocalyptic number.

1225005502 is a deficient number, since it is larger than the sum of its proper divisors (890335778).

1225005502 is a wasteful number, since it uses less digits than its factorization.

1225005502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638835.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1225005502 is about 35000.0785999117. The cubic root of 1225005502 is about 1069.9890824868.

The spelling of 1225005502 in words is "one billion, two hundred twenty-five million, five thousand, five hundred two".