42222056 has 16 divisors (see below), whose sum is σ = 79406340. Its totient is φ = 21047040.

The previous prime is 42222049. The next prime is 42222073. The reversal of 42222056 is 65022224.

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 2102500 = 6334^2 + 1450^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5135 + ... + 10526.

Almost surely, 2^42222056 is an apocalyptic number.

It is an amenable number.

42222056 is a deficient number, since it is larger than the sum of its proper divisors (37184284).

42222056 is a wasteful number, since it uses less digits than its factorization.

42222056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16004 (or 16000 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42222056 is about 6497.8501059966. The cubic root of 42222056 is about 348.2141853182.

The spelling of 42222056 in words is "forty-two million, two hundred twenty-two thousand, fifty-six".