42225231575642 has 4 divisors (see below), whose sum is σ = 63337847363466. Its totient is φ = 21112615787820.

The previous prime is 42225231575581. The next prime is 42225231575699. The reversal of 42225231575642 is 24657513252224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27993845028241 + 14231386547401 = 5290921^2 + 3772451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556307893909 + ... + 10556307893912.

Almost surely, 2^{42225231575642} is an apocalyptic number.

42225231575642 is a deficient number, since it is larger than the sum of its proper divisors (21112615787824).

42225231575642 is a wasteful number, since it uses less digits than its factorization.

42225231575642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21112615787823.

The product of its digits is 8064000, while the sum is 50.

The spelling of 42225231575642 in words is "forty-two trillion, two hundred twenty-five billion, two hundred thirty-one million, five hundred seventy-five thousand, six hundred forty-two".