42222403 has 8 divisors (see below), whose sum is σ = 44513280. Its totient is φ = 39989640.

The previous prime is 42222391. The next prime is 42222409. The reversal of 42222403 is 30422224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42222403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42222409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13033 + ... + 15946.

It is an arithmetic number, because the mean of its divisors is an integer number (5564160).

Almost surely, 2^42222403 is an apocalyptic number.

42222403 is a deficient number, since it is larger than the sum of its proper divisors (2290877).

42222403 is a wasteful number, since it uses less digits than its factorization.

42222403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29057.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42222403 is about 6497.8768070809. The cubic root of 42222403 is about 348.2151392429.

Adding to 42222403 its reverse (30422224), we get a palindrome (72644627).

The spelling of 42222403 in words is "forty-two million, two hundred twenty-two thousand, four hundred three".