42272274 has 32 divisors (see below), whose sum is σ = 92612160. Its totient is φ = 12756800.

The previous prime is 42272273. The next prime is 42272291. The reversal of 42272274 is 47227224.

It is not an unprimeable number, because it can be changed into a prime (42272273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16564 + ... + 18944.

It is an arithmetic number, because the mean of its divisors is an integer number (2894130).

Almost surely, 2^42272274 is an apocalyptic number.

42272274 is an abundant number, since it is smaller than the sum of its proper divisors (50339886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42272274 is a wasteful number, since it uses less digits than its factorization.

42272274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666.

The product of its digits is 12544, while the sum is 30.

The square root of 42272274 is about 6501.7131588528. The cubic root of 42272274 is about 348.3521834283.

Adding to 42272274 its reverse (47227224), we get a palindrome (89499498).

The spelling of 42272274 in words is "forty-two million, two hundred seventy-two thousand, two hundred seventy-four".