122251814 has 32 divisors (see below), whose sum is σ = 198948960. Its totient is φ = 56160000.

The previous prime is 122251807. The next prime is 122251819. The reversal of 122251814 is 418152221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122251819) 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 15 ways as a sum of consecutive naturals, for example, 203114 + ... + 203714.

It is an arithmetic number, because the mean of its divisors is an integer number (6217155).

Almost surely, 2^122251814 is an apocalyptic number.

122251814 is a deficient number, since it is larger than the sum of its proper divisors (76697146).

122251814 is a wasteful number, since it uses less digits than its factorization.

122251814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its digits is 1280, while the sum is 26.

The square root of 122251814 is about 11056.7542253593. The cubic root of 122251814 is about 496.3085656949.

The spelling of 122251814 in words is "one hundred twenty-two million, two hundred fifty-one thousand, eight hundred fourteen".