42444622 has 12 divisors (see below), whose sum is σ = 69981408. Its totient is φ = 19292900.

The previous prime is 42444617. The next prime is 42444629. The reversal of 42444622 is 22644424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87454 + ... + 87937.

It is an arithmetic number, because the mean of its divisors is an integer number (5831784).

Almost surely, 2^42444622 is an apocalyptic number.

42444622 is a deficient number, since it is larger than the sum of its proper divisors (27536786).

42444622 is a wasteful number, since it uses less digits than its factorization.

42444622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175415 (or 175404 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 42444622 is about 6514.9537220152. The cubic root of 42444622 is about 348.8249629242.

The spelling of 42444622 in words is "forty-two million, four hundred forty-four thousand, six hundred twenty-two".