42219044 has 24 divisors (see below), whose sum is σ = 84873600. Its totient is φ = 18000576.

The previous prime is 42219017. The next prime is 42219059. The reversal of 42219044 is 44091224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784 + ... + 9360.

It is an arithmetic number, because the mean of its divisors is an integer number (3536400).

Almost surely, 2^42219044 is an apocalyptic number.

It is an amenable number.

42219044 is an abundant number, since it is smaller than the sum of its proper divisors (42654556).

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

42219044 is a wasteful number, since it uses less digits than its factorization.

42219044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7785 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 42219044 is about 6497.6183328971. The cubic root of 42219044 is about 348.2059049219.

The spelling of 42219044 in words is "forty-two million, two hundred nineteen thousand, forty-four".