1555796622 has 8 divisors (see below), whose sum is σ = 3111593256. Its totient is φ = 518598872.

The previous prime is 1555796621. The next prime is 1555796623. The reversal of 1555796622 is 2266975551.

It is an interprime number because it is at equal distance from previous prime (1555796621) and next prime (1555796623).

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

1555796622 is an admirable number.

It is a super-2 number, since 2×1555796622² = 4841006258053221768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555796621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129649713 + ... + 129649724.

It is an arithmetic number, because the mean of its divisors is an integer number (388949157).

Almost surely, 2^1555796622 is an apocalyptic number.

1555796622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1555796622 is a wasteful number, since it uses less digits than its factorization.

1555796622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259299442.

The product of its digits is 1134000, while the sum is 48.

The square root of 1555796622 is about 39443.5878439069. The cubic root of 1555796622 is about 1158.7353990170.

The spelling of 1555796622 in words is "one billion, five hundred fifty-five million, seven hundred ninety-six thousand, six hundred twenty-two".