222444044040 has 64 divisors (see below), whose sum is σ = 668659017600. Its totient is φ = 59200466432.

The previous prime is 222444044023. The next prime is 222444044059. The reversal of 222444044040 is 40440444222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 222444043989 and 222444044007.

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, 1782285 + ... + 1903004.

It is an arithmetic number, because the mean of its divisors is an integer number (10447797150).

Almost surely, 2^222444044040 is an apocalyptic number.

222444044040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222444044040 is an abundant number, since it is smaller than the sum of its proper divisors (446214973560).

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

222444044040 is a wasteful number, since it uses less digits than its factorization.

222444044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685806 (or 3685802 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 222444044040 its reverse (40440444222), we get a palindrome (262884488262).

The spelling of 222444044040 in words is "two hundred twenty-two billion, four hundred forty-four million, forty-four thousand, forty".