22706057 has 4 divisors (see below), whose sum is σ = 24770256. Its totient is φ = 20641860.

The previous prime is 22706053. The next prime is 22706071. The reversal of 22706057 is 75060722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22706057 - 2² = 22706053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22706053) 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, 1032083 + ... + 1032104.

It is an arithmetic number, because the mean of its divisors is an integer number (6192564).

Almost surely, 2^22706057 is an apocalyptic number.

It is an amenable number.

22706057 is a deficient number, since it is larger than the sum of its proper divisors (2064199).

22706057 is a wasteful number, since it uses less digits than its factorization.

22706057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064198.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 22706057 is about 4765.0873024531. The cubic root of 22706057 is about 283.1700002868.

Adding to 22706057 its reverse (75060722), we get a palindrome (97766779).

The spelling of 22706057 in words is "twenty-two million, seven hundred six thousand, fifty-seven".