22123035454 has 16 divisors (see below), whose sum is σ = 36497579328. Its totient is φ = 9993383712.

The previous prime is 22123035443. The next prime is 22123035469. The reversal of 22123035454 is 45453032122.

It is a super-2 number, since 2×22123035454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9050757 + ... + 9053200.

It is an arithmetic number, because the mean of its divisors is an integer number (2281098708).

Almost surely, 2^22123035454 is an apocalyptic number.

22123035454 is a deficient number, since it is larger than the sum of its proper divisors (14374543874).

22123035454 is a wasteful number, since it uses less digits than its factorization.

22123035454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18104019.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22123035454 its reverse (45453032122), we get a palindrome (67576067576).

The spelling of 22123035454 in words is "twenty-two billion, one hundred twenty-three million, thirty-five thousand, four hundred fifty-four".