42284288 has 18 divisors (see below), whose sum is σ = 84403914. Its totient is φ = 21142016.

The previous prime is 42284273. The next prime is 42284293. The reversal of 42284288 is 88248224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30118144 + 12166144 = 5488^2 + 3488^2 .

It is a super-2 number, since 2×42284288² = 3575922023333888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82331 + ... + 82842.

Almost surely, 2^42284288 is an apocalyptic number.

It is an amenable number.

42284288 is a deficient number, since it is larger than the sum of its proper divisors (42119626).

42284288 is an equidigital number, since it uses as much as digits as its factorization.

42284288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165189 (or 165175 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 42284288 is about 6502.6370035548. The cubic root of 42284288 is about 348.3851814695.

The spelling of 42284288 in words is "forty-two million, two hundred eighty-four thousand, two hundred eighty-eight".