42221274050 has 18 divisors (see below), whose sum is σ = 78534272313. Its totient is φ = 16887928440.

The previous prime is 42221274049. The next prime is 42221274071. The reversal of 42221274050 is 5047212224.

It can be written as a sum of positive squares in 2 ways, for example, as 41376848569 + 844425481 = 203413^2 + 29059^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=145295.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1438421 + ... + 1467479.

Almost surely, 2^42221274050 is an apocalyptic number.

42221274050 is a deficient number, since it is larger than the sum of its proper divisors (36312998263).

42221274050 is an frugal number, since it uses more digits than its factorization.

42221274050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58130 (or 29066 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 42221274050 its reverse (5047212224), we get a palindrome (47268486274).

The spelling of 42221274050 in words is "forty-two billion, two hundred twenty-one million, two hundred seventy-four thousand, fifty".