222626664444 has 48 divisors (see below), whose sum is σ = 530714570400. Its totient is φ = 72618602496.

The previous prime is 222626664437. The next prime is 222626664509. The reversal of 222626664444 is 444466626222.

It is a super-2 number, since 2×222626664444² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222626664393 and 222626664402.

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, 970899 + ... + 1178090.

It is an arithmetic number, because the mean of its divisors is an integer number (11056553550).

Almost surely, 2^222626664444 is an apocalyptic number.

It is an amenable number.

222626664444 is an abundant number, since it is smaller than the sum of its proper divisors (308087905956).

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

222626664444 is a wasteful number, since it uses less digits than its factorization.

222626664444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149182 (or 2149180 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 48.

The spelling of 222626664444 in words is "two hundred twenty-two billion, six hundred twenty-six million, six hundred sixty-four thousand, four hundred forty-four".