22011057316 has 18 divisors (see below), whose sum is σ = 40266923942. Its totient is φ = 10527026400.

The previous prime is 22011057259. The next prime is 22011057329. The reversal of 22011057316 is 61375011022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11203375716 + 10807681600 = 105846^2 + 103960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5198985 + ... + 5203216.

Almost surely, 2^22011057316 is an apocalyptic number.

It is an amenable number.

22011057316 is a deficient number, since it is larger than the sum of its proper divisors (18255866626).

22011057316 is a wasteful number, since it uses less digits than its factorization.

22011057316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402251 (or 10402226 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 22011057316 its reverse (61375011022), we get a palindrome (83386068338).

The spelling of 22011057316 in words is "twenty-two billion, eleven million, fifty-seven thousand, three hundred sixteen".