2312220001 has 16 divisors (see below), whose sum is σ = 2854994688. Its totient is φ = 1823544000.

The previous prime is 2312219983. The next prime is 2312220007. The reversal of 2312220001 is 1000222132.

It is a cyclic number.

It is not a de Polignac number, because 2312220001 - 2²³ = 2303831393 is a prime.

It is a super-2 number, since 2×2312220001² = 10692722666048880002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2312220007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12550 + ... + 69151.

It is an arithmetic number, because the mean of its divisors is an integer number (178437168).

Almost surely, 2^2312220001 is an apocalyptic number.

It is an amenable number.

2312220001 is a deficient number, since it is larger than the sum of its proper divisors (542774687).

2312220001 is a wasteful number, since it uses less digits than its factorization.

2312220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82032.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2312220001 is about 48085.5487750738. The cubic root of 2312220001 is about 1322.3397439471.

Adding to 2312220001 its reverse (1000222132), we get a palindrome (3312442133).

The spelling of 2312220001 in words is "two billion, three hundred twelve million, two hundred twenty thousand, one".