42230944 has 72 divisors (see below), whose sum is σ = 101007648. Its totient is φ = 17297280.

The previous prime is 42230911. The next prime is 42230953. The reversal of 42230944 is 44903224.

It is a super-2 number, since 2×42230944² = 3566905262262272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35479 + ... + 36649.

It is an arithmetic number, because the mean of its divisors is an integer number (1402884).

Almost surely, 2^42230944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42230944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50503824).

42230944 is an abundant number, since it is smaller than the sum of its proper divisors (58776704).

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

42230944 is a wasteful number, since it uses less digits than its factorization.

42230944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42230944 is about 6498.5339885239. The cubic root of 42230944 is about 348.2386173396.

The spelling of 42230944 in words is "forty-two million, two hundred thirty thousand, nine hundred forty-four".