122225802478 has 32 divisors (see below), whose sum is σ = 198176025600. Its totient is φ = 56202478176.

The previous prime is 122225802469. The next prime is 122225802481. The reversal of 122225802478 is 874208522221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8274063 + ... + 8288821.

It is an arithmetic number, because the mean of its divisors is an integer number (6193000800).

Almost surely, 2^122225802478 is an apocalyptic number.

122225802478 is a deficient number, since it is larger than the sum of its proper divisors (75950223122).

122225802478 is a wasteful number, since it uses less digits than its factorization.

122225802478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15936.

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 122225802478 in words is "one hundred twenty-two billion, two hundred twenty-five million, eight hundred two thousand, four hundred seventy-eight".