622612061 has 8 divisors (see below), whose sum is σ = 640312920. Its totient is φ = 604957248.

The previous prime is 622612051. The next prime is 622612087. The reversal of 622612061 is 160216226.

622612061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 176092900 + 446519161 = 13270^2 + 21131^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622612061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622612061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622612021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16895 + ... + 39123.

It is an arithmetic number, because the mean of its divisors is an integer number (80039115).

Almost surely, 2^622612061 is an apocalyptic number.

It is an amenable number.

622612061 is a deficient number, since it is larger than the sum of its proper divisors (17700859).

622612061 is a wasteful number, since it uses less digits than its factorization.

622612061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23023.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 622612061 is about 24952.1955146236. The cubic root of 622612061 is about 853.8976987517.

Adding to 622612061 its reverse (160216226), we get a palindrome (782828287).

The spelling of 622612061 in words is "six hundred twenty-two million, six hundred twelve thousand, sixty-one".