442250654 has 4 divisors (see below), whose sum is σ = 663375984. Its totient is φ = 221125326.

The previous prime is 442250651. The next prime is 442250687. The reversal of 442250654 is 456052244.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442250654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442250651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110562662 + ... + 110562665.

It is an arithmetic number, because the mean of its divisors is an integer number (165843996).

Almost surely, 2^442250654 is an apocalyptic number.

442250654 is a deficient number, since it is larger than the sum of its proper divisors (221125330).

442250654 is a wasteful number, since it uses less digits than its factorization.

442250654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221125329.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 442250654 is about 21029.7563942144. The cubic root of 442250654 is about 761.8851251570.

The spelling of 442250654 in words is "four hundred forty-two million, two hundred fifty thousand, six hundred fifty-four".