122290424 has 32 divisors (see below), whose sum is σ = 232381440. Its totient is φ = 60328800.

The previous prime is 122290387. The next prime is 122290489. The reversal of 122290424 is 424092221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122290393 and 122290402.

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 7 ways as a sum of consecutive naturals, for example, 248819 + ... + 249309.

It is an arithmetic number, because the mean of its divisors is an integer number (7261920).

Almost surely, 2^122290424 is an apocalyptic number.

It is an amenable number.

122290424 is a deficient number, since it is larger than the sum of its proper divisors (110091016).

122290424 is a wasteful number, since it uses less digits than its factorization.

122290424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 122290424 is about 11058.5000791247. The cubic root of 122290424 is about 496.3608088372.

The spelling of 122290424 in words is "one hundred twenty-two million, two hundred ninety thousand, four hundred twenty-four".