622102272 has 144 divisors (see below), whose sum is σ = 1819977600. Its totient is φ = 187084800.

The previous prime is 622102259. The next prime is 622102279. The reversal of 622102272 is 272201226.

It is a super-2 number, since 2×622102272² = 774022473655123968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622102279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782354 + ... + 1782702.

Almost surely, 2^622102272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622102272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909988800).

622102272 is an abundant number, since it is smaller than the sum of its proper divisors (1197875328).

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

622102272 is a wasteful number, since it uses less digits than its factorization.

622102272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 622102272 is about 24941.9781092038. The cubic root of 622102272 is about 853.6645806011.

Adding to 622102272 its reverse (272201226), we get a palindrome (894303498).

The spelling of 622102272 in words is "six hundred twenty-two million, one hundred two thousand, two hundred seventy-two".