2122220001 has 8 divisors (see below), whose sum is σ = 3086865504. Its totient is φ = 1286193920.

The previous prime is 2122219997. The next prime is 2122220003. The reversal of 2122220001 is 1000222212.

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

It is not a de Polignac number, because 2122220001 - 2² = 2122219997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122220003) 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, 32154816 + ... + 32154881.

It is an arithmetic number, because the mean of its divisors is an integer number (385858188).

Almost surely, 2^2122220001 is an apocalyptic number.

It is an amenable number.

2122220001 is a deficient number, since it is larger than the sum of its proper divisors (964645503).

2122220001 is a wasteful number, since it uses less digits than its factorization.

2122220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64309711.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2122220001 is about 46067.5590953113. The cubic root of 2122220001 is about 1285.0799106487.

Adding to 2122220001 its reverse (1000222212), we get a palindrome (3122442213).

The spelling of 2122220001 in words is "two billion, one hundred twenty-two million, two hundred twenty thousand, one".