22317716 has 6 divisors (see below), whose sum is σ = 39056010. Its totient is φ = 11158856.

The previous prime is 22317703. The next prime is 22317721. The reversal of 22317716 is 61771322.

It can be written as a sum of positive squares in only one way, i.e., 19324816 + 2992900 = 4396^2 + 1730^2 .

It is a super-3 number, since 3×22317716³ (a number of 23 digits) contains 333 as substring.

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, 2789711 + ... + 2789718.

It is an arithmetic number, because the mean of its divisors is an integer number (6509335).

Almost surely, 2^22317716 is an apocalyptic number.

It is an amenable number.

22317716 is a deficient number, since it is larger than the sum of its proper divisors (16738294).

22317716 is a wasteful number, since it uses less digits than its factorization.

22317716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579433 (or 5579431 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 22317716 is about 4724.1629946478. The cubic root of 22317716 is about 281.5463591494.

The spelling of 22317716 in words is "twenty-two million, three hundred seventeen thousand, seven hundred sixteen".