77132226 has 8 divisors (see below), whose sum is σ = 154264464. Its totient is φ = 25710740.

The previous prime is 77132207. The next prime is 77132249. The reversal of 77132226 is 62223177.

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

77132226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 77132193 and 77132202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6427680 + ... + 6427691.

It is an arithmetic number, because the mean of its divisors is an integer number (19283058).

Almost surely, 2^77132226 is an apocalyptic number.

77132226 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.

77132226 is a wasteful number, since it uses less digits than its factorization.

77132226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855376.

The product of its digits is 7056, while the sum is 30.

The square root of 77132226 is about 8782.4954312541. The cubic root of 77132226 is about 425.6754675247.

The spelling of 77132226 in words is "seventy-seven million, one hundred thirty-two thousand, two hundred twenty-six".