622220630 has 8 divisors (see below), whose sum is σ = 1119997152. Its totient is φ = 248888248.

The previous prime is 622220629. The next prime is 622220653. The reversal of 622220630 is 36022226.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 622220596 and 622220605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31111022 + ... + 31111041.

It is an arithmetic number, because the mean of its divisors is an integer number (139999644).

Almost surely, 2^622220630 is an apocalyptic number.

622220630 is a deficient number, since it is larger than the sum of its proper divisors (497776522).

622220630 is a wasteful number, since it uses less digits than its factorization.

622220630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62222070.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 622220630 is about 24944.3506630259. The cubic root of 622220630 is about 853.7187151220.

Adding to 622220630 its reverse (36022226), we get a palindrome (658242856).

The spelling of 622220630 in words is "six hundred twenty-two million, two hundred twenty thousand, six hundred thirty".