222443201001 has 64 divisors (see below), whose sum is σ = 352374312960. Its totient is φ = 122209274880.

The previous prime is 222443200981. The next prime is 222443201011. The reversal of 222443201001 is 100102344222.

It is not a de Polignac number, because 222443201001 - 2¹⁴ = 222443184617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (222443201011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9675546 + ... + 9698508.

It is an arithmetic number, because the mean of its divisors is an integer number (5505848640).

Almost surely, 2^222443201001 is an apocalyptic number.

222443201001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222443201001 is a deficient number, since it is larger than the sum of its proper divisors (129931111959).

222443201001 is a wasteful number, since it uses less digits than its factorization.

222443201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23206.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222443201001 its reverse (100102344222), we get a palindrome (322545545223).

The spelling of 222443201001 in words is "two hundred twenty-two billion, four hundred forty-three million, two hundred one thousand, one".