222044001 has 32 divisors (see below), whose sum is σ = 315494400. Its totient is φ = 138625344.

The previous prime is 222043949. The next prime is 222044003. The reversal of 222044001 is 100440222.

It is not a de Polignac number, because 222044001 - 2¹³ = 222035809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222044003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1115700 + ... + 1115898.

It is an arithmetic number, because the mean of its divisors is an integer number (9859200).

Almost surely, 2^222044001 is an apocalyptic number.

It is an amenable number.

222044001 is a deficient number, since it is larger than the sum of its proper divisors (93450399).

222044001 is a wasteful number, since it uses less digits than its factorization.

222044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 222044001 is about 14901.1409294725. The cubic root of 222044001 is about 605.5448962440.

Adding to 222044001 its reverse (100440222), we get a palindrome (322484223).

The spelling of 222044001 in words is "two hundred twenty-two million, forty-four thousand, one".