42230454 has 36 divisors (see below), whose sum is σ = 98510364. Its totient is φ = 12034008.

The previous prime is 42230443. The next prime is 42230479. The reversal of 42230454 is 45403224.

It is a super-2 number, since 2×42230454² = 3566822490092232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 111237 + ... + 111615.

It is an arithmetic number, because the mean of its divisors is an integer number (2736399).

Almost surely, 2^42230454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42230454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49255182).

42230454 is an abundant number, since it is smaller than the sum of its proper divisors (56279910).

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

42230454 is an equidigital number, since it uses as much as digits as its factorization.

42230454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42230454 is about 6498.4962876038. The cubic root of 42230454 is about 348.2372704790.

Multiplying 42230454 by its sum of digits (24), we get a square (1013530896 = 31836²).

Adding to 42230454 its reverse (45403224), we get a palindrome (87633678).

It can be divided in two parts, 422 and 30454, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 42230454 in words is "forty-two million, two hundred thirty thousand, four hundred fifty-four".