42660622 has 4 divisors (see below), whose sum is σ = 63990936. Its totient is φ = 21330310.

The previous prime is 42660571. The next prime is 42660641. The reversal of 42660622 is 22606624.

42660622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 10665154 + ... + 10665157.

It is an arithmetic number, because the mean of its divisors is an integer number (15997734).

Almost surely, 2^42660622 is an apocalyptic number.

42660622 is a deficient number, since it is larger than the sum of its proper divisors (21330314).

42660622 is a wasteful number, since it uses less digits than its factorization.

42660622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21330313.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42660622 is about 6531.5099326266. The cubic root of 42660622 is about 349.4156835442.

The spelling of 42660622 in words is "forty-two million, six hundred sixty thousand, six hundred twenty-two".