42274012 has 36 divisors (see below), whose sum is σ = 85614760. Its totient is φ = 18200160.

The previous prime is 42274007. The next prime is 42274013. The reversal of 42274012 is 21047224.

It is a happy number.

It is a super-2 number, since 2×42274012² = 3574184181152288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42274013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6898 + ... + 11494.

Almost surely, 2^42274012 is an apocalyptic number.

It is an amenable number.

42274012 is an abundant number, since it is smaller than the sum of its proper divisors (43340748).

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

42274012 is a wasteful number, since it uses less digits than its factorization.

42274012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 42274012 is about 6501.8468145597. The cubic root of 42274012 is about 348.3569574621.

The spelling of 42274012 in words is "forty-two million, two hundred seventy-four thousand, twelve".