1200664622 has 4 divisors (see below), whose sum is σ = 1800996936. Its totient is φ = 600332310.

The previous prime is 1200664613. The next prime is 1200664631. The reversal of 1200664622 is 2264660021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1200664613) and next prime (1200664631).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 300166154 + ... + 300166157.

It is an arithmetic number, because the mean of its divisors is an integer number (450249234).

Almost surely, 2^1200664622 is an apocalyptic number.

1200664622 is a deficient number, since it is larger than the sum of its proper divisors (600332314).

1200664622 is an equidigital number, since it uses as much as digits as its factorization.

1200664622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600332313.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1200664622 is about 34650.6078157368. The cubic root of 1200664622 is about 1062.8547180478.

The spelling of 1200664622 in words is "one billion, two hundred million, six hundred sixty-four thousand, six hundred twenty-two".