42046222 has 4 divisors (see below), whose sum is σ = 63069336. Its totient is φ = 21023110.

The previous prime is 42046189. The next prime is 42046241. The reversal of 42046222 is 22264024.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42046193 and 42046202.

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, 10511554 + ... + 10511557.

It is an arithmetic number, because the mean of its divisors is an integer number (15767334).

Almost surely, 2^42046222 is an apocalyptic number.

42046222 is a deficient number, since it is larger than the sum of its proper divisors (21023114).

42046222 is a wasteful number, since it uses less digits than its factorization.

42046222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21023113.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42046222 is about 6484.3058225226. The cubic root of 42046222 is about 347.7301327423.

The spelling of 42046222 in words is "forty-two million, forty-six thousand, two hundred twenty-two".