42221852 has 6 divisors (see below), whose sum is σ = 73888248. Its totient is φ = 21110924.

The previous prime is 42221831. The next prime is 42221899. The reversal of 42221852 is 25812224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277728 + ... + 5277735.

It is an arithmetic number, because the mean of its divisors is an integer number (12314708).

Almost surely, 2^42221852 is an apocalyptic number.

It is an amenable number.

42221852 is a deficient number, since it is larger than the sum of its proper divisors (31666396).

42221852 is a wasteful number, since it uses less digits than its factorization.

42221852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555467 (or 10555465 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 42221852 is about 6497.8344084780. The cubic root of 42221852 is about 348.2136245069.

The spelling of 42221852 in words is "forty-two million, two hundred twenty-one thousand, eight hundred fifty-two".