622402662 has 16 divisors (see below), whose sum is σ = 1422634752. Its totient is φ = 177829320.

The previous prime is 622402661. The next prime is 622402687. The reversal of 622402662 is 266204226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622402661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7409514 + ... + 7409597.

It is an arithmetic number, because the mean of its divisors is an integer number (88914672).

Almost surely, 2^622402662 is an apocalyptic number.

622402662 is an abundant number, since it is smaller than the sum of its proper divisors (800232090).

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

622402662 is a wasteful number, since it uses less digits than its factorization.

622402662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14819123.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 622402662 is about 24947.9991582491. Note that the first 3 decimals coincide. The cubic root of 622402662 is about 853.8019594277.

Adding to 622402662 its reverse (266204226), we get a palindrome (888606888).

The spelling of 622402662 in words is "six hundred twenty-two million, four hundred two thousand, six hundred sixty-two".