42222066 has 32 divisors (see below), whose sum is σ = 92759040. Its totient is φ = 12752784.

The previous prime is 42222049. The next prime is 42222073. The reversal of 42222066 is 66022224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (2898720).

Almost surely, 2^42222066 is an apocalyptic number.

42222066 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42222066 is an abundant number, since it is smaller than the sum of its proper divisors (50536974).

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

42222066 is a wasteful number, since it uses less digits than its factorization.

42222066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42222066 is about 6497.8508754818. The cubic root of 42222066 is about 348.2142128089.

The spelling of 42222066 in words is "forty-two million, two hundred twenty-two thousand, sixty-six".