42622345 has 8 divisors (see below), whose sum is σ = 51315264. Its totient is φ = 33985584.

The previous prime is 42622309. The next prime is 42622369. The reversal of 42622345 is 54322624.

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

It is a cyclic number.

It is not a de Polignac number, because 42622345 - 2²¹ = 40525193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12349 + ... + 15418.

It is an arithmetic number, because the mean of its divisors is an integer number (6414408).

Almost surely, 2^42622345 is an apocalyptic number.

It is an amenable number.

42622345 is a deficient number, since it is larger than the sum of its proper divisors (8692919).

42622345 is a wasteful number, since it uses less digits than its factorization.

42622345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28079.

The product of its digits is 11520, while the sum is 28.

The square root of 42622345 is about 6528.5790950252. The cubic root of 42622345 is about 349.3111485298.

Adding to 42622345 its reverse (54322624), we get a palindrome (96944969).

The spelling of 42622345 in words is "forty-two million, six hundred twenty-two thousand, three hundred forty-five".