42446220 has 24 divisors (see below), whose sum is σ = 118849584. Its totient is φ = 11318976.

The previous prime is 42446207. The next prime is 42446231. The reversal of 42446220 is 2264424.

42446220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 353659 + ... + 353778.

It is an arithmetic number, because the mean of its divisors is an integer number (4952066).

Almost surely, 2^42446220 is an apocalyptic number.

It is an amenable number.

42446220 is an abundant number, since it is smaller than the sum of its proper divisors (76403364).

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

42446220 is a wasteful number, since it uses less digits than its factorization.

42446220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707449 (or 707447 counting only the distinct ones).

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

The square root of 42446220 is about 6515.0763617935. The cubic root of 42446220 is about 348.8293405129.

The spelling of 42446220 in words is "forty-two million, four hundred forty-six thousand, two hundred twenty".