42213355 has 4 divisors (see below), whose sum is σ = 50656032. Its totient is φ = 33770680.

The previous prime is 42213343. The next prime is 42213373. The reversal of 42213355 is 55331224.

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

It is not a de Polignac number, because 42213355 - 2¹¹ = 42211307 is a prime.

It is a Duffinian 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, 4221331 + ... + 4221340.

It is an arithmetic number, because the mean of its divisors is an integer number (12664008).

Almost surely, 2^42213355 is an apocalyptic number.

42213355 is a deficient number, since it is larger than the sum of its proper divisors (8442677).

42213355 is an equidigital number, since it uses as much as digits as its factorization.

42213355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442676.

The product of its digits is 3600, while the sum is 25.

The square root of 42213355 is about 6497.1805423584. The cubic root of 42213355 is about 348.1902640152.

Adding to 42213355 its reverse (55331224), we get a palindrome (97544579).

The spelling of 42213355 in words is "forty-two million, two hundred thirteen thousand, three hundred fifty-five".