22231002001 has 8 divisors (see below), whose sum is σ = 24525008424. Its totient is φ = 20020414080.

The previous prime is 22231001959. The next prime is 22231002019. The reversal of 22231002001 is 10020013222.

It can be written as a sum of positive squares in 4 ways, for example, as 915002001 + 21316000000 = 30249^2 + 146000^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22231002001 - 2⁹ = 22231001489 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231002701) 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, 20854066 + ... + 20855131.

It is an arithmetic number, because the mean of its divisors is an integer number (3065626053).

Almost surely, 2^22231002001 is an apocalyptic number.

It is an amenable number.

22231002001 is a deficient number, since it is larger than the sum of its proper divisors (2294006423).

22231002001 is a wasteful number, since it uses less digits than its factorization.

22231002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41709251.

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

Adding to 22231002001 its reverse (10020013222), we get a palindrome (32251015223).

The spelling of 22231002001 in words is "twenty-two billion, two hundred thirty-one million, two thousand, one".