42225546249906 has 32 divisors (see below), whose sum is σ = 84752073392640. Its totient is φ = 14025051690624.

The previous prime is 42225546249883. The next prime is 42225546249919. The reversal of 42225546249906 is 60994264552224.

It is a super-2 number, since 2×42225546249906² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42225546249906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971616 + ... + 9240948.

It is an arithmetic number, because the mean of its divisors is an integer number (2648502293520).

Almost surely, 2^{42225546249906} is an apocalyptic number.

42225546249906 is an abundant number, since it is smaller than the sum of its proper divisors (42526527142734).

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

42225546249906 is a wasteful number, since it uses less digits than its factorization.

42225546249906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272370.

The product of its (nonzero) digits is 74649600, while the sum is 60.

The spelling of 42225546249906 in words is "forty-two trillion, two hundred twenty-five billion, five hundred forty-six million, two hundred forty-nine thousand, nine hundred six".