42440622 has 16 divisors (see below), whose sum is σ = 97007232. Its totient is φ = 12125880.

The previous prime is 42440611. The next prime is 42440627. The reversal of 42440622 is 22604424.

It is a junction number, because it is equal to n+sod(n) for n = 42440592 and 42440601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505204 + ... + 505287.

It is an arithmetic number, because the mean of its divisors is an integer number (6062952).

Almost surely, 2^42440622 is an apocalyptic number.

42440622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42440622 is an abundant number, since it is smaller than the sum of its proper divisors (54566610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42440622 is a wasteful number, since it uses less digits than its factorization.

42440622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010503.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 42440622 is about 6514.6467287183. The cubic root of 42440622 is about 348.8140047736.

The spelling of 42440622 in words is "forty-two million, four hundred forty thousand, six hundred twenty-two".