442051622 has 4 divisors (see below), whose sum is σ = 663077436. Its totient is φ = 221025810.

The previous prime is 442051583. The next prime is 442051637. The reversal of 442051622 is 226150244.

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

It is a junction number, because it is equal to n+sod(n) for n = 442051591 and 442051600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110512904 + ... + 110512907.

It is an arithmetic number, because the mean of its divisors is an integer number (165769359).

Almost surely, 2^442051622 is an apocalyptic number.

442051622 is a deficient number, since it is larger than the sum of its proper divisors (221025814).

442051622 is a wasteful number, since it uses less digits than its factorization.

442051622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221025813.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 442051622 is about 21025.0237098558. The cubic root of 442051622 is about 761.7708142093.

The spelling of 442051622 in words is "four hundred forty-two million, fifty-one thousand, six hundred twenty-two".