22047316 has 6 divisors (see below), whose sum is σ = 38582810. Its totient is φ = 11023656.

The previous prime is 22047313. The next prime is 22047323. The reversal of 22047316 is 61374022.

It can be written as a sum of positive squares in only one way, i.e., 19324816 + 2722500 = 4396^2 + 1650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22047313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755911 + ... + 2755918.

Almost surely, 2^22047316 is an apocalyptic number.

It is an amenable number.

22047316 is a deficient number, since it is larger than the sum of its proper divisors (16535494).

22047316 is a wasteful number, since it uses less digits than its factorization.

22047316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511833 (or 5511831 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22047316 is about 4695.4569532688. The cubic root of 22047316 is about 280.4046699711.

The spelling of 22047316 in words is "twenty-two million, forty-seven thousand, three hundred sixteen".