42831622 has 4 divisors (see below), whose sum is σ = 64247436. Its totient is φ = 21415810.

The previous prime is 42831587. The next prime is 42831631. The reversal of 42831622 is 22613824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10707904 + ... + 10707907.

It is an arithmetic number, because the mean of its divisors is an integer number (16061859).

Almost surely, 2^42831622 is an apocalyptic number.

42831622 is a deficient number, since it is larger than the sum of its proper divisors (21415814).

42831622 is a wasteful number, since it uses less digits than its factorization.

42831622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21415813.

The product of its digits is 4608, while the sum is 28.

The square root of 42831622 is about 6544.5872291536. The cubic root of 42831622 is about 349.8819247967.

The spelling of 42831622 in words is "forty-two million, eight hundred thirty-one thousand, six hundred twenty-two".