2001320222 has 8 divisors (see below), whose sum is σ = 3274887672. Its totient is φ = 909691000.

The previous prime is 2001320219. The next prime is 2001320231. The reversal of 2001320222 is 2220231002.

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

It is a super-2 number, since 2×2001320222² = 8010565261972258568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001320197 and 2001320206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45484529 + ... + 45484572.

It is an arithmetic number, because the mean of its divisors is an integer number (409360959).

Almost surely, 2^2001320222 is an apocalyptic number.

2001320222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001320222 is a deficient number, since it is larger than the sum of its proper divisors (1273567450).

2001320222 is a wasteful number, since it uses less digits than its factorization.

2001320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90969114.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2001320222 is about 44736.1176455892. The cubic root of 2001320222 is about 1260.1982181646.

Adding to 2001320222 its reverse (2220231002), we get a palindrome (4221551224).

It can be divided in two parts, 2001 and 320222, that added together give a palindrome (322223).

The spelling of 2001320222 in words is "two billion, one million, three hundred twenty thousand, two hundred twenty-two".