55222220120007 has 16 divisors (see below), whose sum is σ = 73665435110400. Its totient is φ = 36796910083200.

The previous prime is 55222220119961. The next prime is 55222220120059. The reversal of 55222220120007 is 70002102222255.

It is not a de Polignac number, because 55222220120007 - 2¹² = 55222220115911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222220120077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394738282 + ... + 394878152.

It is an arithmetic number, because the mean of its divisors is an integer number (4604089694400).

Almost surely, 2^{55222220120007} is an apocalyptic number.

55222220120007 is a deficient number, since it is larger than the sum of its proper divisors (18443214990393).

55222220120007 is a wasteful number, since it uses less digits than its factorization.

55222220120007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202934.

The product of its (nonzero) digits is 11200, while the sum is 30.

The spelling of 55222220120007 in words is "fifty-five trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, seven".