22105001451 has 48 divisors (see below), whose sum is σ = 35469905184. Its totient is φ = 12128928768.

The previous prime is 22105001449. The next prime is 22105001459. The reversal of 22105001451 is 15410050122.

It is not a de Polignac number, because 22105001451 - 2¹ = 22105001449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22105001459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193165 + ... + 285521.

It is an arithmetic number, because the mean of its divisors is an integer number (738956358).

Almost surely, 2^22105001451 is an apocalyptic number.

22105001451 is a deficient number, since it is larger than the sum of its proper divisors (13364903733).

22105001451 is a wasteful number, since it uses less digits than its factorization.

22105001451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92428 (or 92409 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 22105001451 its reverse (15410050122), we get a palindrome (37515051573).

The spelling of 22105001451 in words is "twenty-two billion, one hundred five million, one thousand, four hundred fifty-one".