55222626 has 32 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 17265744.

The previous prime is 55222577. The next prime is 55222627. The reversal of 55222626 is 62622255.

It is a junction number, because it is equal to n+sod(n) for n = 55222593 and 55222602.

It is not an unprimeable number, because it can be changed into a prime (55222627) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9391 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^55222626 is an apocalyptic number.

55222626 is an abundant number, since it is smaller than the sum of its proper divisors (62189214).

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

55222626 is a wasteful number, since it uses less digits than its factorization.

55222626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830.

The product of its digits is 14400, while the sum is 30.

The square root of 55222626 is about 7431.1927710160. The cubic root of 55222626 is about 380.8076680967.

The spelling of 55222626 in words is "fifty-five million, two hundred twenty-two thousand, six hundred twenty-six".