42212650 has 12 divisors (see below), whose sum is σ = 78515622. Its totient is φ = 16885040.

The previous prime is 42212629. The next prime is 42212689. The reversal of 42212650 is 5621224.

It can be written as a sum of positive squares in 3 ways, for example, as 40462321 + 1750329 = 6361^2 + 1323^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422077 + ... + 422176.

Almost surely, 2^42212650 is an apocalyptic number.

42212650 is a deficient number, since it is larger than the sum of its proper divisors (36302972).

42212650 is a wasteful number, since it uses less digits than its factorization.

42212650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844265 (or 844260 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42212650 is about 6497.1262878291. The cubic root of 42212650 is about 348.1883256436.

Adding to 42212650 its reverse (5621224), we get a palindrome (47833874).

The spelling of 42212650 in words is "forty-two million, two hundred twelve thousand, six hundred fifty".