22451340354 has 8 divisors (see below), whose sum is σ = 44902680720. Its totient is φ = 7483780116.

The previous prime is 22451340337. The next prime is 22451340361. The reversal of 22451340354 is 45304315422.

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

22451340354 is an admirable number.

It is a super-2 number, since 2×22451340354² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870945024 + ... + 1870945035.

It is an arithmetic number, because the mean of its divisors is an integer number (5612835090).

Almost surely, 2^22451340354 is an apocalyptic number.

22451340354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22451340354 is a wasteful number, since it uses less digits than its factorization.

22451340354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741890064.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22451340354 its reverse (45304315422), we get a palindrome (67755655776).

The spelling of 22451340354 in words is "twenty-two billion, four hundred fifty-one million, three hundred forty thousand, three hundred fifty-four".