622231612 has 6 divisors (see below), whose sum is σ = 1088905328. Its totient is φ = 311115804.

The previous prime is 622231583. The next prime is 622231651. The reversal of 622231612 is 216132226.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77778948 + ... + 77778955.

Almost surely, 2^622231612 is an apocalyptic number.

It is an amenable number.

622231612 is a deficient number, since it is larger than the sum of its proper divisors (466673716).

622231612 is a wasteful number, since it uses less digits than its factorization.

622231612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155557907 (or 155557905 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 622231612 is about 24944.5707920581. The cubic root of 622231612 is about 853.7237377155.

Adding to 622231612 its reverse (216132226), we get a palindrome (838363838).

The spelling of 622231612 in words is "six hundred twenty-two million, two hundred thirty-one thousand, six hundred twelve".