42244064 has 12 divisors (see below), whose sum is σ = 83168064. Its totient is φ = 21122016.

The previous prime is 42244061. The next prime is 42244067. The reversal of 42244064 is 46044224.

It is an interprime number because it is at equal distance from previous prime (42244061) and next prime (42244067).

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660032 + ... + 660095.

It is an arithmetic number, because the mean of its divisors is an integer number (6930672).

Almost surely, 2^42244064 is an apocalyptic number.

It is an amenable number.

42244064 is a deficient number, since it is larger than the sum of its proper divisors (40924000).

42244064 is a wasteful number, since it uses less digits than its factorization.

42244064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320137 (or 1320129 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 42244064 is about 6499.5433685760. The cubic root of 42244064 is about 348.2746763457.

Adding to 42244064 its reverse (46044224), we get a palindrome (88288288).

The spelling of 42244064 in words is "forty-two million, two hundred forty-four thousand, sixty-four".