122225590 has 8 divisors (see below), whose sum is σ = 220006080. Its totient is φ = 48890232.

The previous prime is 122225557. The next prime is 122225617. The reversal of 122225590 is 95522221.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6111270 + ... + 6111289.

It is an arithmetic number, because the mean of its divisors is an integer number (27500760).

Almost surely, 2^122225590 is an apocalyptic number.

122225590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122225590 is a deficient number, since it is larger than the sum of its proper divisors (97780490).

122225590 is a wasteful number, since it uses less digits than its factorization.

122225590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222566.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 122225590 is about 11055.5682802830. The cubic root of 122225590 is about 496.2730757606.

The spelling of 122225590 in words is "one hundred twenty-two million, two hundred twenty-five thousand, five hundred ninety".