22570003 has 2 divisors, whose sum is σ = 22570004. Its totient is φ = 22570002.

The previous prime is 22569991. The next prime is 22570007. The reversal of 22570003 is 30007522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22570003 is a prime.

It is not a weakly prime, because it can be changed into another prime (22570007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11285001 + 11285002.

It is an arithmetic number, because the mean of its divisors is an integer number (11285002).

Almost surely, 2^22570003 is an apocalyptic number.

22570003 is a deficient number, since it is larger than the sum of its proper divisors (1).

22570003 is an equidigital number, since it uses as much as digits as its factorization.

22570003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 22570003 is about 4750.7897238249. The cubic root of 22570003 is about 282.6032848637.

Adding to 22570003 its reverse (30007522), we get a palindrome (52577525).

It can be divided in two parts, 22 and 570003, that added together give a square (570025 = 755²).

The spelling of 22570003 in words is "twenty-two million, five hundred seventy thousand, three".