42022217455 has 8 divisors (see below), whose sum is σ = 50443218000. Its totient is φ = 33606735936.

The previous prime is 42022217441. The next prime is 42022217467. The reversal of 42022217455 is 55471222024.

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

It is a cyclic number.

It is not a de Polignac number, because 42022217455 - 2⁵ = 42022217423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42022217455.

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, 1362985 + ... + 1393474.

It is an arithmetic number, because the mean of its divisors is an integer number (6305402250).

Almost surely, 2^42022217455 is an apocalyptic number.

42022217455 is a deficient number, since it is larger than the sum of its proper divisors (8421000545).

42022217455 is a wasteful number, since it uses less digits than its factorization.

42022217455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759513.

The product of its (nonzero) digits is 44800, while the sum is 34.

Adding to 42022217455 its reverse (55471222024), we get a palindrome (97493439479).

The spelling of 42022217455 in words is "forty-two billion, twenty-two million, two hundred seventeen thousand, four hundred fifty-five".