42622351 has 4 divisors (see below), whose sum is σ = 42638400. Its totient is φ = 42606304.

The previous prime is 42622309. The next prime is 42622369. The reversal of 42622351 is 15322624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42622351 - 2²³ = 34233743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42622051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986 + ... + 9703.

It is an arithmetic number, because the mean of its divisors is an integer number (10659600).

Almost surely, 2^42622351 is an apocalyptic number.

42622351 is a deficient number, since it is larger than the sum of its proper divisors (16049).

42622351 is a wasteful number, since it uses less digits than its factorization.

42622351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16048.

The product of its digits is 2880, while the sum is 25.

The square root of 42622351 is about 6528.5795545432. The cubic root of 42622351 is about 349.3111649208.

Adding to 42622351 its reverse (15322624), we get a palindrome (57944975).

The spelling of 42622351 in words is "forty-two million, six hundred twenty-two thousand, three hundred fifty-one".