6222222278445 has 16 divisors (see below), whose sum is σ = 9955891370880. Its totient is φ = 3318406640064.

The previous prime is 6222222278357. The next prime is 6222222278507. The reversal of 6222222278445 is 5448722222226.

It is not a de Polignac number, because 6222222278445 - 2¹⁵ = 6222222245677 is a prime.

It is a super-2 number, since 2×6222222278445² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6222222278394 and 6222222278403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6533665 + ... + 7425174.

It is an arithmetic number, because the mean of its divisors is an integer number (622243210680).

Almost surely, 2^{6222222278445} is an apocalyptic number.

It is an amenable number.

6222222278445 is a deficient number, since it is larger than the sum of its proper divisors (3733669092435).

6222222278445 is a wasteful number, since it uses less digits than its factorization.

6222222278445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13988564.

The product of its digits is 3440640, while the sum is 48.

The spelling of 6222222278445 in words is "six trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred seventy-eight thousand, four hundred forty-five".