622404226 has 8 divisors (see below), whose sum is σ = 941868684. Its totient is φ = 308448000.

The previous prime is 622404217. The next prime is 622404229.

622404226 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 455865201 + 166539025 = 21351^2 + 12905^2 .

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

It is a super-3 number, since 3×622404226³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 622404194 and 622404203.

It is not an unprimeable number, because it can be changed into a prime (622404229) 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, 1376775 + ... + 1377226.

Almost surely, 2^622404226 is an apocalyptic number.

622404226 is a deficient number, since it is larger than the sum of its proper divisors (319464458).

622404226 is a wasteful number, since it uses less digits than its factorization.

622404226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754116.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 622404226 is about 24948.0305034285. The cubic root of 622404226 is about 853.8026745838.

It can be divided in two parts, 62240 and 4226, that added together give a palindrome (66466).

The spelling of 622404226 in words is "six hundred twenty-two million, four hundred four thousand, two hundred twenty-six".