22022057 has 2 divisors, whose sum is σ = 22022058. Its totient is φ = 22022056.

The previous prime is 22022053. The next prime is 22022069. The reversal of 22022057 is 75022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19678096 + 2343961 = 4436^2 + 1531^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022057 - 2² = 22022053 is a prime.

It is a super-2 number, since 2×22022057² = 969941989022498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22022053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011028 + 11011029.

It is an arithmetic number, because the mean of its divisors is an integer number (11011029).

Almost surely, 2^22022057 is an apocalyptic number.

It is an amenable number.

22022057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022057 is an equidigital number, since it uses as much as digits as its factorization.

22022057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22022057 is about 4692.7664548750. The cubic root of 22022057 is about 280.2975450930.

Adding to 22022057 its reverse (75022022), we get a palindrome (97044079).

The spelling of 22022057 in words is "twenty-two million, twenty-two thousand, fifty-seven".