22077716 has 6 divisors (see below), whose sum is σ = 38636010. Its totient is φ = 11038856.

The previous prime is 22077707. The next prime is 22077739. The reversal of 22077716 is 61777022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17472400 + 4605316 = 4180^2 + 2146^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759711 + ... + 2759718.

It is an arithmetic number, because the mean of its divisors is an integer number (6439335).

Almost surely, 2^22077716 is an apocalyptic number.

It is an amenable number.

22077716 is a deficient number, since it is larger than the sum of its proper divisors (16558294).

22077716 is a wasteful number, since it uses less digits than its factorization.

22077716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519433 (or 5519431 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 22077716 is about 4698.6930097635. The cubic root of 22077716 is about 280.5334896884.

The spelling of 22077716 in words is "twenty-two million, seventy-seven thousand, seven hundred sixteen".