442250445 has 64 divisors (see below), whose sum is σ = 874750464. Its totient is φ = 185794560.

The previous prime is 442250443. The next prime is 442250491. The reversal of 442250445 is 544052244.

It is not a de Polignac number, because 442250445 - 2¹ = 442250443 is a prime.

It is a super-2 number, since 2×442250445² = 391170912205396050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442250443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382989 + ... + 384141.

It is an arithmetic number, because the mean of its divisors is an integer number (13667976).

Almost surely, 2^442250445 is an apocalyptic number.

It is an amenable number.

442250445 is a deficient number, since it is larger than the sum of its proper divisors (432500019).

442250445 is a wasteful number, since it uses less digits than its factorization.

442250445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 442250445 is about 21029.7514250644. The cubic root of 442250445 is about 761.8850051390.

The spelling of 442250445 in words is "four hundred forty-two million, two hundred fifty thousand, four hundred forty-five".