122221863 has 24 divisors (see below), whose sum is σ = 185749200. Its totient is φ = 77328384.

The previous prime is 122221859. The next prime is 122221873. The reversal of 122221863 is 368122221.

It is not a de Polignac number, because 122221863 - 2² = 122221859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11431 + ... + 19367.

It is an arithmetic number, because the mean of its divisors is an integer number (7739550).

Almost surely, 2^122221863 is an apocalyptic number.

122221863 is a deficient number, since it is larger than the sum of its proper divisors (63527337).

122221863 is a wasteful number, since it uses less digits than its factorization.

122221863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031 (or 8028 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 122221863 is about 11055.3997214031. The cubic root of 122221863 is about 496.2680314580.

The spelling of 122221863 in words is "one hundred twenty-two million, two hundred twenty-one thousand, eight hundred sixty-three".