22051544243454 has 96 divisors (see below), whose sum is σ = 53107758778464. Its totient is φ = 6555897104640.

The previous prime is 22051544243429. The next prime is 22051544243473. The reversal of 22051544243454 is 45434244515022.

22051544243454 is a `hidden beast` number, since 2 + 2 + 0 + 5 + 1 + 544 + 24 + 34 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325416544 + ... + 325484300.

It is an arithmetic number, because the mean of its divisors is an integer number (553205820609).

Almost surely, 2^{22051544243454} is an apocalyptic number.

22051544243454 is an abundant number, since it is smaller than the sum of its proper divisors (31056214535010).

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

22051544243454 is a wasteful number, since it uses less digits than its factorization.

22051544243454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98842 (or 98839 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 45.

Adding to 22051544243454 its reverse (45434244515022), we get a palindrome (67485788758476).

The spelling of 22051544243454 in words is "twenty-two trillion, fifty-one billion, five hundred forty-four million, two hundred forty-three thousand, four hundred fifty-four".