622106447 has 4 divisors (see below), whose sum is σ = 622156416. Its totient is φ = 622056480.

The previous prime is 622106423. The next prime is 622106509. The reversal of 622106447 is 744601226.

622106447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 622106447 - 2²² = 617912143 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 (622106647) 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, 10322 + ... + 36752.

It is an arithmetic number, because the mean of its divisors is an integer number (155539104).

Almost surely, 2^622106447 is an apocalyptic number.

622106447 is a deficient number, since it is larger than the sum of its proper divisors (49969).

622106447 is a wasteful number, since it uses less digits than its factorization.

622106447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49968.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 622106447 is about 24942.0618033073. The cubic root of 622106447 is about 853.6664902772. Note that the first 3 decimals are identical.

The spelling of 622106447 in words is "six hundred twenty-two million, one hundred six thousand, four hundred forty-seven".