52421822 has 8 divisors (see below), whose sum is σ = 80758056. Its totient is φ = 25502472.

The previous prime is 52421771. The next prime is 52421839. The reversal of 52421822 is 22812425.

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

It is a junction number, because it is equal to n+sod(n) for n = 52421791 and 52421800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354128 + ... + 354275.

It is an arithmetic number, because the mean of its divisors is an integer number (10094757).

Almost surely, 2^52421822 is an apocalyptic number.

52421822 is a deficient number, since it is larger than the sum of its proper divisors (28336234).

52421822 is a wasteful number, since it uses less digits than its factorization.

52421822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708442.

The product of its digits is 2560, while the sum is 26.

The square root of 52421822 is about 7240.2915687146. The cubic root of 52421822 is about 374.2576651030.

The spelling of 52421822 in words is "fifty-two million, four hundred twenty-one thousand, eight hundred twenty-two".