622047233 has 4 divisors (see below), whose sum is σ = 622966740. Its totient is φ = 621127728.

The previous prime is 622047227. The next prime is 622047241. The reversal of 622047233 is 332740226.

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

It can be written as a sum of positive squares in 2 ways, for example, as 413186929 + 208860304 = 20327^2 + 14452^2 .

It is a cyclic number.

It is not a de Polignac number, because 622047233 - 2¹⁰ = 622046209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622047196 and 622047205.

It is not an unprimeable number, because it can be changed into a prime (622047253) 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, 458738 + ... + 460091.

It is an arithmetic number, because the mean of its divisors is an integer number (155741685).

Almost surely, 2^622047233 is an apocalyptic number.

It is an amenable number.

622047233 is a deficient number, since it is larger than the sum of its proper divisors (919507).

622047233 is an equidigital number, since it uses as much as digits as its factorization.

622047233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919506.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 622047233 is about 24940.8747440823. The cubic root of 622047233 is about 853.6394045528.

Adding to 622047233 its reverse (332740226), we get a palindrome (954787459).

The spelling of 622047233 in words is "six hundred twenty-two million, forty-seven thousand, two hundred thirty-three".