766551122 has 4 divisors (see below), whose sum is σ = 1149826686. Its totient is φ = 383275560.

The previous prime is 766551119. The next prime is 766551157. The reversal of 766551122 is 221155667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221155667 = 13567 ⋅16301.

It can be written as a sum of positive squares in only one way, i.e., 614990401 + 151560721 = 24799^2 + 12311^2 .

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, 191637779 + ... + 191637782.

Almost surely, 2^766551122 is an apocalyptic number.

766551122 is a deficient number, since it is larger than the sum of its proper divisors (383275564).

766551122 is a wasteful number, since it uses less digits than its factorization.

766551122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383275563.

The product of its digits is 25200, while the sum is 35.

The square root of 766551122 is about 27686.6596396171. The cubic root of 766551122 is about 915.1951456530.

It can be divided in two parts, 76655 and 1122, that added together give a palindrome (77777).

The spelling of 766551122 in words is "seven hundred sixty-six million, five hundred fifty-one thousand, one hundred twenty-two".