42242102 has 32 divisors (see below), whose sum is σ = 73965312. Its totient is φ = 17721504.

The previous prime is 42242087. The next prime is 42242141. The reversal of 42242102 is 20124224.

It is a happy number.

It is a congruent number.

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, 244088 + ... + 244260.

It is an arithmetic number, because the mean of its divisors is an integer number (2311416).

Almost surely, 2^42242102 is an apocalyptic number.

42242102 is a deficient number, since it is larger than the sum of its proper divisors (31723210).

42242102 is a wasteful number, since it uses less digits than its factorization.

42242102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42242102 is about 6499.3924331433. The cubic root of 42242102 is about 348.2692844600.

Adding to 42242102 its reverse (20124224), we get a palindrome (62366326).

It can be divided in two parts, 422 and 42102, that added together give a palindrome (42524).

The spelling of 42242102 in words is "forty-two million, two hundred forty-two thousand, one hundred two".