42218854 has 12 divisors (see below), whose sum is σ = 67273524. Its totient is φ = 19867424.

The previous prime is 42218849. The next prime is 42218881. The reversal of 42218854 is 45881224.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 35944 + ... + 37099.

It is an arithmetic number, because the mean of its divisors is an integer number (5606127).

Almost surely, 2^42218854 is an apocalyptic number.

42218854 is a deficient number, since it is larger than the sum of its proper divisors (25054670).

42218854 is a wasteful number, since it uses less digits than its factorization.

42218854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73079 (or 73062 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 42218854 is about 6497.6037121388. The cubic root of 42218854 is about 348.2053825729.

The spelling of 42218854 in words is "forty-two million, two hundred eighteen thousand, eight hundred fifty-four".