77022236 has 12 divisors (see below), whose sum is σ = 135818760. Its totient is φ = 38216880.

The previous prime is 77022217. The next prime is 77022241. The reversal of 77022236 is 63222077.

It is a junction number, because it is equal to n+sod(n) for n = 77022199 and 77022208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72971 + ... + 74018.

It is an arithmetic number, because the mean of its divisors is an integer number (11318230).

Almost surely, 2^77022236 is an apocalyptic number.

It is an amenable number.

77022236 is a deficient number, since it is larger than the sum of its proper divisors (58796524).

77022236 is a wasteful number, since it uses less digits than its factorization.

77022236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147124 (or 147122 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 77022236 is about 8776.2313096226. The cubic root of 77022236 is about 425.4730345523.

The spelling of 77022236 in words is "seventy-seven million, twenty-two thousand, two hundred thirty-six".