766461222 has 12 divisors (see below), whose sum is σ = 1660666020. Its totient is φ = 255487068.

The previous prime is 766461221. The next prime is 766461229. The reversal of 766461222 is 222164667.

766461222 is a `hidden beast` number, since 7 + 6 + 646 + 1 + 2 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766461221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21290572 + ... + 21290607.

It is an arithmetic number, because the mean of its divisors is an integer number (138388835).

Almost surely, 2^766461222 is an apocalyptic number.

766461222 is an abundant number, since it is smaller than the sum of its proper divisors (894204798).

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

766461222 is a wasteful number, since it uses less digits than its factorization.

766461222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42581187 (or 42581184 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 766461222 is about 27685.0360664385. The cubic root of 766461222 is about 915.1593666693.

It can be divided in two parts, 7664 and 61222, that added together give a palindrome (68886).

The spelling of 766461222 in words is "seven hundred sixty-six million, four hundred sixty-one thousand, two hundred twenty-two".