122220054 has 24 divisors (see below), whose sum is σ = 288884232. Its totient is φ = 37036320.

The previous prime is 122220041. The next prime is 122220113. The reversal of 122220054 is 450022221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308439 + ... + 308834.

It is an arithmetic number, because the mean of its divisors is an integer number (12036843).

Almost surely, 2^122220054 is an apocalyptic number.

122220054 is an abundant number, since it is smaller than the sum of its proper divisors (166664178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122220054 is a wasteful number, since it uses less digits than its factorization.

122220054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617292 (or 617289 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 122220054 is about 11055.3179058768. The cubic root of 122220054 is about 496.2655830328.

Adding to 122220054 its reverse (450022221), we get a palindrome (572242275).

The spelling of 122220054 in words is "one hundred twenty-two million, two hundred twenty thousand, fifty-four".