222390001 has 8 divisors (see below), whose sum is σ = 229900544. Its totient is φ = 214900560.

The previous prime is 222389969. The next prime is 222390031. The reversal of 222390001 is 100093222.

It is a happy number.

222390001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222390001 - 2⁵ = 222389969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222390031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17830 + ... + 27616.

It is an arithmetic number, because the mean of its divisors is an integer number (28737568).

Almost surely, 2^222390001 is an apocalyptic number.

It is an amenable number.

222390001 is a deficient number, since it is larger than the sum of its proper divisors (7510543).

222390001 is an equidigital number, since it uses as much as digits as its factorization.

222390001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 222390001 is about 14912.7462594922. The cubic root of 222390001 is about 605.8592630660.

The spelling of 222390001 in words is "two hundred twenty-two million, three hundred ninety thousand, one".