42210356 has 12 divisors (see below), whose sum is σ = 73913700. Its totient is φ = 21092160.

The previous prime is 42210331. The next prime is 42210373. The reversal of 42210356 is 65301224.

It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 35880100 = 2516^2 + 5990^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10466 + ... + 13926.

It is an arithmetic number, because the mean of its divisors is an integer number (6159475).

Almost surely, 2^42210356 is an apocalyptic number.

It is an amenable number.

42210356 is a deficient number, since it is larger than the sum of its proper divisors (31703344).

42210356 is a wasteful number, since it uses less digits than its factorization.

42210356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42210356 is about 6496.9497458423. The cubic root of 42210356 is about 348.1820182256.

The spelling of 42210356 in words is "forty-two million, two hundred ten thousand, three hundred fifty-six".