222020440040 has 64 divisors (see below), whose sum is σ = 574690671360. Its totient is φ = 75617164800.

The previous prime is 222020440013. The next prime is 222020440051. The reversal of 222020440040 is 40044020222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222020439994 and 222020440021.

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, 2583317 + ... + 2667876.

It is an arithmetic number, because the mean of its divisors is an integer number (8979541740).

Almost surely, 2^222020440040 is an apocalyptic number.

222020440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222020440040 is an abundant number, since it is smaller than the sum of its proper divisors (352670231320).

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

222020440040 is a wasteful number, since it uses less digits than its factorization.

222020440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251362 (or 5251358 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 222020440040 its reverse (40044020222), we get a palindrome (262064460262).

The spelling of 222020440040 in words is "two hundred twenty-two billion, twenty million, four hundred forty thousand, forty".