222032001 has 4 divisors (see below), whose sum is σ = 296042672. Its totient is φ = 148021332.

The previous prime is 222031993. The next prime is 222032003. The reversal of 222032001 is 100230222.

222032001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222032001 - 2³ = 222031993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222032003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37005331 + ... + 37005336.

It is an arithmetic number, because the mean of its divisors is an integer number (74010668).

Almost surely, 2^222032001 is an apocalyptic number.

It is an amenable number.

222032001 is a deficient number, since it is larger than the sum of its proper divisors (74010671).

222032001 is an equidigital number, since it uses as much as digits as its factorization.

222032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74010670.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 222032001 is about 14900.7382703006. The cubic root of 222032001 is about 605.5339874907.

Adding to 222032001 its reverse (100230222), we get a palindrome (322262223).

The spelling of 222032001 in words is "two hundred twenty-two million, thirty-two thousand, one".