42212374 has 4 divisors (see below), whose sum is σ = 63318564. Its totient is φ = 21106186.

The previous prime is 42212351. The next prime is 42212399. The reversal of 42212374 is 47321224.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10553092 + ... + 10553095.

It is an arithmetic number, because the mean of its divisors is an integer number (15829641).

Almost surely, 2^42212374 is an apocalyptic number.

42212374 is a deficient number, since it is larger than the sum of its proper divisors (21106190).

42212374 is a wasteful number, since it uses less digits than its factorization.

42212374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106189.

The product of its digits is 2688, while the sum is 25.

The square root of 42212374 is about 6497.1050476347. The cubic root of 42212374 is about 348.1875667859.

Adding to 42212374 its reverse (47321224), we get a palindrome (89533598).

The spelling of 42212374 in words is "forty-two million, two hundred twelve thousand, three hundred seventy-four".