22010297 has 4 divisors (see below), whose sum is σ = 22030116. Its totient is φ = 21990480.

The previous prime is 22010273. The next prime is 22010309. The reversal of 22010297 is 79201022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8386816 + 13623481 = 2896^2 + 3691^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010297 - 2⁸ = 22010041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22019297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8138 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (5507529).

Almost surely, 2^22010297 is an apocalyptic number.

It is an amenable number.

22010297 is a deficient number, since it is larger than the sum of its proper divisors (19819).

22010297 is a wasteful number, since it uses less digits than its factorization.

22010297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19818.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22010297 is about 4691.5132953025. The cubic root of 22010297 is about 280.2476423060.

The spelling of 22010297 in words is "twenty-two million, ten thousand, two hundred ninety-seven".