4005225542 has 4 divisors (see below), whose sum is σ = 6007838316. Its totient is φ = 2002612770.

The previous prime is 4005225541. The next prime is 4005225563. The reversal of 4005225542 is 2455225004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005225541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001306384 + ... + 1001306387.

It is an arithmetic number, because the mean of its divisors is an integer number (1501959579).

Almost surely, 2^4005225542 is an apocalyptic number.

4005225542 is a deficient number, since it is larger than the sum of its proper divisors (2002612774).

4005225542 is a wasteful number, since it uses less digits than its factorization.

4005225542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002612773.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 4005225542 is about 63286.8512567974. The cubic root of 4005225542 is about 1588.0920037447.

The spelling of 4005225542 in words is "four billion, five million, two hundred twenty-five thousand, five hundred forty-two".