42212375 has 16 divisors (see below), whose sum is σ = 54110784. Its totient is φ = 32853600.

The previous prime is 42212351. The next prime is 42212399. The reversal of 42212375 is 57321224.

It is an interprime number because it is at equal distance from previous prime (42212351) and next prime (42212399).

It is not a de Polignac number, because 42212375 - 2¹⁸ = 41950231 is a prime.

It is a Duffinian 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, 62 + ... + 9188.

It is an arithmetic number, because the mean of its divisors is an integer number (3381924).

Almost surely, 2^42212375 is an apocalyptic number.

42212375 is a deficient number, since it is larger than the sum of its proper divisors (11898409).

42212375 is an equidigital number, since it uses as much as digits as its factorization.

42212375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179 (or 9169 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 42212375 is about 6497.1051245920. The cubic root of 42212375 is about 348.1875695354.

Adding to 42212375 its reverse (57321224), we get a palindrome (99533599).

The spelling of 42212375 in words is "forty-two million, two hundred twelve thousand, three hundred seventy-five".