222440001 has 8 divisors (see below), whose sum is σ = 338956224. Its totient is φ = 127108560.

The previous prime is 222439999. The next prime is 222440003. The reversal of 222440001 is 100044222.

It is an interprime number because it is at equal distance from previous prime (222439999) and next prime (222440003).

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

It is not a de Polignac number, because 222440001 - 2¹ = 222439999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222440003) 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, 5296170 + ... + 5296211.

It is an arithmetic number, because the mean of its divisors is an integer number (42369528).

Almost surely, 2^222440001 is an apocalyptic number.

222440001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222440001 is a deficient number, since it is larger than the sum of its proper divisors (116516223).

222440001 is a wasteful number, since it uses less digits than its factorization.

222440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592391.

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

The square root of 222440001 is about 14914.4225835263. The cubic root of 222440001 is about 605.9046648272.

Adding to 222440001 its reverse (100044222), we get a palindrome (322484223).

The spelling of 222440001 in words is "two hundred twenty-two million, four hundred forty thousand, one".