44422540 has 12 divisors (see below), whose sum is σ = 93287376. Its totient is φ = 17769008.

The previous prime is 44422537. The next prime is 44422549. The reversal of 44422540 is 4522444.

It is a happy number.

44422540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (44422549) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1110544 + ... + 1110583.

It is an arithmetic number, because the mean of its divisors is an integer number (7773948).

Almost surely, 2^44422540 is an apocalyptic number.

It is an amenable number.

44422540 is an abundant number, since it is smaller than the sum of its proper divisors (48864836).

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

44422540 is a wasteful number, since it uses less digits than its factorization.

44422540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221136 (or 2221134 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 44422540 is about 6665.0236308658. The cubic root of 44422540 is about 354.1613211342.

Adding to 44422540 its reverse (4522444), we get a palindrome (48944984).

The spelling of 44422540 in words is "forty-four million, four hundred twenty-two thousand, five hundred forty".