1622625222 has 8 divisors (see below), whose sum is σ = 3245250456. Its totient is φ = 540875072.

The previous prime is 1622625203. The next prime is 1622625223. The reversal of 1622625222 is 2225262261.

1622625222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1622625222 is an admirable number.

It is a super-2 number, since 2×1622625222² = 5265825222141098568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1622625222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622625223) 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, 135218763 + ... + 135218774.

It is an arithmetic number, because the mean of its divisors is an integer number (405656307).

Almost surely, 2^1622625222 is an apocalyptic number.

1622625222 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.

1622625222 is a wasteful number, since it uses less digits than its factorization.

1622625222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270437542.

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

The square root of 1622625222 is about 40281.8224761492. The cubic root of 1622625222 is about 1175.0943571728.

Adding to 1622625222 its reverse (2225262261), we get a palindrome (3847887483).

The spelling of 1622625222 in words is "one billion, six hundred twenty-two million, six hundred twenty-five thousand, two hundred twenty-two".