42423022 has 8 divisors (see below), whose sum is σ = 64252656. Its totient is φ = 21005472.

The previous prime is 42423011. The next prime is 42423049. The reversal of 42423022 is 22032424.

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

It is a super-2 number, since 2×42423022² = 3599425591224968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102763 + ... + 103174.

It is an arithmetic number, because the mean of its divisors is an integer number (8031582).

Almost surely, 2^42423022 is an apocalyptic number.

42423022 is a deficient number, since it is larger than the sum of its proper divisors (21829634).

42423022 is a wasteful number, since it uses less digits than its factorization.

42423022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206042.

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

The square root of 42423022 is about 6513.2957863128. The cubic root of 42423022 is about 348.7657807293.

Adding to 42423022 its reverse (22032424), we get a palindrome (64455446).

The spelling of 42423022 in words is "forty-two million, four hundred twenty-three thousand, twenty-two".