42237002 has 4 divisors (see below), whose sum is σ = 63355506. Its totient is φ = 21118500.

The previous prime is 42236969. The next prime is 42237007. The reversal of 42237002 is 20073224.

It is a happy number.

It is a Cunningham number, because it is equal to 6499²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 42237001 + 1 = 6499^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (42237007) by changing a digit.

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 as a sum of consecutive naturals, namely, 10559249 + ... + 10559252.

Almost surely, 2^42237002 is an apocalyptic number.

42237002 is a deficient number, since it is larger than the sum of its proper divisors (21118504).

42237002 is a wasteful number, since it uses less digits than its factorization.

42237002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118503.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 42237002 is about 6499.0000769349. Note that the first 4 decimals coincide. The cubic root of 42237002 is about 348.2552680739.

The spelling of 42237002 in words is "forty-two million, two hundred thirty-seven thousand, two".