42247102 has 8 divisors (see below), whose sum is σ = 63406656. Its totient is φ = 21111552.

The previous prime is 42247087. The next prime is 42247109. The reversal of 42247102 is 20174224.

It is a happy number.

42247102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42247109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643 + ... + 9214.

It is an arithmetic number, because the mean of its divisors is an integer number (7925832).

Almost surely, 2^42247102 is an apocalyptic number.

42247102 is a deficient number, since it is larger than the sum of its proper divisors (21159554).

42247102 is a wasteful number, since it uses less digits than its factorization.

42247102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12002.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 42247102 is about 6499.7770731003. Note that the first 3 decimals coincide. The cubic root of 42247102 is about 348.2830249199.

It can be divided in two parts, 422 and 47102, that added together give a square (47524 = 218²).

The spelling of 42247102 in words is "forty-two million, two hundred forty-seven thousand, one hundred two".