22421011001 has 8 divisors (see below), whose sum is σ = 22740901224. Its totient is φ = 22101465600.

The previous prime is 22421010929. The next prime is 22421011021. The reversal of 22421011001 is 10011012422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 907455376 + 21513555625 = 30124^2 + 146675^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22421011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22421011021) 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, 46205 + ... + 216741.

It is an arithmetic number, because the mean of its divisors is an integer number (2842612653).

Almost surely, 2^22421011001 is an apocalyptic number.

It is an amenable number.

22421011001 is a deficient number, since it is larger than the sum of its proper divisors (319890223).

22421011001 is a wasteful number, since it uses less digits than its factorization.

22421011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172411.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22421011001 its reverse (10011012422), we get a palindrome (32432023423).

The spelling of 22421011001 in words is "twenty-two billion, four hundred twenty-one million, eleven thousand, one".