42229648 has 10 divisors (see below), whose sum is σ = 81819974. Its totient is φ = 21114816.

The previous prime is 42229643. The next prime is 42229651. The reversal of 42229648 is 84692224.

It can be written as a sum of positive squares in only one way, i.e., 38340864 + 3888784 = 6192^2 + 1972^2 .

It is not an unprimeable number, because it can be changed into a prime (42229643) 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, 1319661 + ... + 1319692.

Almost surely, 2^42229648 is an apocalyptic number.

It is an amenable number.

42229648 is a deficient number, since it is larger than the sum of its proper divisors (39590326).

42229648 is a wasteful number, since it uses less digits than its factorization.

42229648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639361 (or 2639355 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 42229648 is about 6498.4342729614. The cubic root of 42229648 is about 348.2350550081.

The spelling of 42229648 in words is "forty-two million, two hundred twenty-nine thousand, six hundred forty-eight".