622140546 has 8 divisors (see below), whose sum is σ = 1244281104. Its totient is φ = 207380180.

The previous prime is 622140539. The next prime is 622140569. The reversal of 622140546 is 645041226.

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

622140546 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51845040 + ... + 51845051.

It is an arithmetic number, because the mean of its divisors is an integer number (155535138).

Almost surely, 2^622140546 is an apocalyptic number.

622140546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622140546 is a wasteful number, since it uses less digits than its factorization.

622140546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103690096.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 622140546 is about 24942.7453581197. The cubic root of 622140546 is about 853.6820870945.

The spelling of 622140546 in words is "six hundred twenty-two million, one hundred forty thousand, five hundred forty-six".