42822555 has 8 divisors (see below), whose sum is σ = 68516112. Its totient is φ = 22838688.

The previous prime is 42822551. The next prime is 42822557. The reversal of 42822555 is 55522824.

It is a happy number.

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

It is not a de Polignac number, because 42822555 - 2² = 42822551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42822551) 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, 1427404 + ... + 1427433.

It is an arithmetic number, because the mean of its divisors is an integer number (8564514).

Almost surely, 2^42822555 is an apocalyptic number.

42822555 is a deficient number, since it is larger than the sum of its proper divisors (25693557).

42822555 is a wasteful number, since it uses less digits than its factorization.

42822555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854845.

The product of its digits is 32000, while the sum is 33.

The square root of 42822555 is about 6543.8944826456. The cubic root of 42822555 is about 349.8572342905.

The spelling of 42822555 in words is "forty-two million, eight hundred twenty-two thousand, five hundred fifty-five".