42274236 has 24 divisors (see below), whose sum is σ = 99420160. Its totient is φ = 13979952.

The previous prime is 42274217. The next prime is 42274247. The reversal of 42274236 is 63247224.

It is a super-2 number, since 2×42274236² = 3574222058767392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12346 + ... + 15393.

Almost surely, 2^42274236 is an apocalyptic number.

It is an amenable number.

42274236 is an abundant number, since it is smaller than the sum of its proper divisors (57145924).

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

42274236 is a wasteful number, since it uses less digits than its factorization.

42274236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27873 (or 27871 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 42274236 is about 6501.8640404118. The cubic root of 42274236 is about 348.3575727481.

The spelling of 42274236 in words is "forty-two million, two hundred seventy-four thousand, two hundred thirty-six".