2221031001 has 8 divisors (see below), whose sum is σ = 3384428224. Its totient is φ = 1269160560.

The previous prime is 2221030997. The next prime is 2221031003. The reversal of 2221031001 is 1001301222.

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

It is not a de Polignac number, because 2221031001 - 2² = 2221030997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221031003) 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, 52881670 + ... + 52881711.

It is an arithmetic number, because the mean of its divisors is an integer number (423053528).

Almost surely, 2^2221031001 is an apocalyptic number.

2221031001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2221031001 is a deficient number, since it is larger than the sum of its proper divisors (1163397223).

2221031001 is a wasteful number, since it uses less digits than its factorization.

2221031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105763391.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2221031001 is about 47127.8155763664. The cubic root of 2221031001 is about 1304.7226650422.

Adding to 2221031001 its reverse (1001301222), we get a palindrome (3222332223).

The spelling of 2221031001 in words is "two billion, two hundred twenty-one million, thirty-one thousand, one".