2001420222 has 8 divisors (see below), whose sum is σ = 4002840456. Its totient is φ = 667140072.

The previous prime is 2001420221. The next prime is 2001420241. The reversal of 2001420222 is 2220241002.

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

2001420222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001420221) 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, 166785013 + ... + 166785024.

It is an arithmetic number, because the mean of its divisors is an integer number (500355057).

Almost surely, 2^2001420222 is an apocalyptic number.

2001420222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001420222 is a wasteful number, since it uses less digits than its factorization.

2001420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333570042.

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

The square root of 2001420222 is about 44737.2352967861. The cubic root of 2001420222 is about 1260.2192072633.

Adding to 2001420222 its reverse (2220241002), we get a palindrome (4221661224).

The spelling of 2001420222 in words is "two billion, one million, four hundred twenty thousand, two hundred twenty-two".