42216002 has 8 divisors (see below), whose sum is σ = 63786636.
Its totient is φ = 20953792.
The previous prime is 42215989. The next prime is 42216007. The reversal of 42216002 is 20061224.
It can be written as a sum of positive squares in 2 ways, for example, as 37810201 + 4405801 = 6149^2 + 2099^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (42216007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76763 + ... + 77310.
Almost surely, 242216002 is an apocalyptic number.
42216002 is a deficient number, since it is larger than the sum of its proper divisors (21570634).
42216002 is a wasteful number, since it uses less digits than its factorization.
42216002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154212.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 42216002 is about 6497.3842429088.
The cubic root of 42216002 is about 348.1975416518.
Adding to 42216002 its reverse (20061224), we get a palindrome (62277226).
The spelling of 42216002 in words is "forty-two million, two hundred sixteen thousand, two".