42225215454 has 12 divisors (see below), whose sum is σ = 91487966856. Its totient is φ = 14075071812.

The previous prime is 42225215453. The next prime is 42225215479. The reversal of 42225215454 is 45451252224.

42225215454 is a `hidden beast` number, since 42 + 22 + 52 + 1 + 545 + 4 = 666.

It is a super-2 number, since 2×42225215454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42225215453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1172922634 + ... + 1172922669.

It is an arithmetic number, because the mean of its divisors is an integer number (7623997238).

Almost surely, 2^42225215454 is an apocalyptic number.

42225215454 is an abundant number, since it is smaller than the sum of its proper divisors (49262751402).

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

42225215454 is a wasteful number, since it uses less digits than its factorization.

42225215454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345845311 (or 2345845308 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

Adding to 42225215454 its reverse (45451252224), we get a palindrome (87676467678).

The spelling of 42225215454 in words is "forty-two billion, two hundred twenty-five million, two hundred fifteen thousand, four hundred fifty-four".